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PubMed1999

Philosophical behaviorism: a review of things that happen because they should: a teleological approach to action, by Rowland Stout.

Mentalistic terms such as belief and desire have been rejected by behavior analysts because they are traditionally held to refer to unobservable events inside the organism. Behavior analysis has consequently been viewed by philosophers to be at best irrelevant to psychology, understood as a science of the mind. In this book, the philosopher Rowland Stout argues cogently that beliefs and desires (like operants such as rats' lever presses) are best understood in terms of an interaction over time between overt behavior and its overt consequences (a viewpoint called teleological behaviorism). This book is important because it identifies the science of the mind with the science of overt behavior and implies that the psychologists best equipped to study mental life are not those who purport to do so but those who focus on the experimental analysis of behavior.

Animals↗
PubMed2003

[Monitoring growth].

OBJECTIVE: To present concepts related to growth assessment, with emphasis on aspects concerning the evaluation of individuals. SOURCES: The present paper is based on reports published by the WHO regarding the use anthropometry for the assessment of nutritional status; on original articles; and on book chapters about the same topic, as well as on the criticisms of auxologists of this type of assessment when employed at the individual level. SUMMARY OF THE FINDINGS: Concepts concerning reference, skeletal maturity, mid-parental target height, z score, short stature, growth rate, body mass index, and their assumptions and limitations are presented. CONCLUSIONS: The assessment of the nutritional status of a population is based on cut-off points, taking into consideration that whoever is below or above that point presents a nutritional problem. Clinical evaluation is based on the idea of variability, which can be both biological and social, and on the idea that it is the clinician's task to establish whether a child within or outside given parameters presents normal growth and nutritional status. When monitoring the growth of a child or adolescent, the most important parameter to be considered is growth rate.

Child Development↗
PubMed1989

The pharmacy technician--an occupation in search of consensus.

These are some of the issues that warrant consideration as we examine the development of a more efficient manpower model for pharmacy. We all realize that we have reached a point in the delivery of health services where inefficiency will have a very direct impact on economic viability. It is imperative that we develop a more rational manpower model that takes advantage of appropriately trained supportive personnel who will be functioning in an environment greatly influenced by advancing technology. As we develop our manpower model, we should also understand that pharmacy is still evolving as a profession. It, too, has problems in identifying uniform standards of practice. We in academia have not yet reached agreement on the appropriate degree required to prepare individuals for the present and future practice of pharmacy. In spite of our inability to reach consensus on a number of important issues, we continue to realize an expansion of our professional roles. As these gains in professionalization continue, we will most likely see a concomitant need for growth in the support base required by pharmacists. This need will be met by either technicians or technology. One of my favorite quotes is taken from a book title by humorist and author Lewis Grizzard: Shoot Low Boys--They're Riding Shetland Ponies. Just as the imaginary speaker above was telling his companions to change their frame of reference, I believe we, too, must change our frame of reference.

Pharmacy Service, Hospital↗
PubMed1996

Babies at risk. Can the prenatal care initiative be saved?

My husband and I named our lovely daughter Faith because of the enormous obstacles we faced in getting her here safe and sound...I almost gave up hope that I would receive any help at all...I called Physicians Referral at least a dozen times, saying, please give me leads to possible people who accept Medicaid. The answer was a flat "nope."...I went to the bookstore and bought a couple of books on how to take care of myself during pregnancy...I am angry that not only every physician I asked refused to see a Medicaid patient, that they would also not refer me to the one facility within a 100 mile radius that did...I began going there (with nurse-midwives at Monroe Maternity Center) in January and I can tell you I received the best treatment, the only drawback was driving an hour and a half one way to receive each prenatal check up... Faith may be the most important person in the world to me. She may be the apple of her daddy's eye, but Tennessee and the majority of the medical community could care less about whether she lives or dies...

Delivery of Health Care↗
PubMed1999

The microbial proteome database--an automated laboratory catalogue for monitoring protein expression in bacteria.

Laboratories devoted to high-throughput characterisation of purified proteins arrayed via two-dimensional (2-D) gel electrophoresis face an arduous task in maintaining a centralised and constantly evolving record of information relating to the characterisation of proteins and their responses following biological challenges. The Microbial Proteome Database (MPD) has been conceived as an in-house resource for complementing the plethora of genomic databases available for such organisms. The database utilises commercially available software to provide an electronic 'lab book' of information obtained daily from 2-D electrophoresis gels, image analysis packages, protein characterisation methodologies, and biological experimentation. The MPD begins from a single 2-D gel image (a 2-D 'reference map') with clickable spots that link to a 'protein catalogue' (ProtCat) with spot information including protein identity, changes in expression determined under experimental conditions, cellular location, mass, and pI. The entry for each protein then contains further links to gel images corresponding to the presence of the particular protein within different subproteomes (as defined by the pH of narrow- and wide-range immobilised pH gradients or from differential extraction methods used to determine the location of the protein within a functional cell). The database currently contains information from strains of three microbial species (Escherichia coil, Pseudomonas aeruginosa and Staphylococcus aureus) and 32 master gel images. The rapid accessibility of information obtained from microbial proteomes is an essential step towards the integrated analysis of these organisms at the gene, transcript, protein and functional levels and will aid in reducing turnaround times between sample preparation and the discovery of molecules of biological significance.

Automation↗
PubMed2006

Pit and fissure sealants versus fluoride varnishes for preventing dental decay in children and adolescents.

BACKGROUND: The majority of the detected increment in dental caries is confined to pit and fissure surfaces of first molars. Application of pit and fissure sealants and topical fluorides are widely used procedures in the prevention of decay, and their effectiveness in caries prevention has been proved by systematic reviews. OBJECTIVES: The objective of this study was to compare the effectiveness of pit and fissure sealants with fluoride varnishes in the prevention of dental decay on occlusal surfaces. SEARCH STRATEGY: Electronic searching was performed on the following databases: the Cochrane Oral Health Group's Trials Register (last update November 2005), the Cochrane Central Register of Controlled Trials (CENTRAL) (The Cochrane Library 2005, Issue 4), MEDLINE (from 1966 to December 2005), EMBASE (from 1974 to November 2004), SIGLE (from 1976 to December 2004), SCISEARCH, CAplus, INSPEC, JICST-EPLUS, NTIS, PASCAL (last update December 2004), DARE, NHS EED and HTA (last update November 2005). Reference lists from articles that fulfilled the inclusion criteria in this review and from review articles based on the search of MEDLINE were searched for additional relevant articles. Conference abstracts published as books or journals and handsearched by the Cochrane Oral Health Group were also included. SELECTION CRITERIA: The inclusion criteria for study selection were: random or quasi-random allocation study design; sealants versus fluoride varnish or sealants and fluoride varnish combination versus fluoride varnish alone; included studies included caries documentation on occlusal surfaces of permanent molars and the subjects were under 20 years of age. Both parallel and split-mouth study designs were accepted. The primary outcome of interest was the increment in the numbers of carious occlusal surfaces of premolars and molars. A study was excluded if sealants and fluoride varnish were not compared with each other. DATA COLLECTION AND ANALYSIS: Two review authors carried out the baseline searches, selecting the papers on the basis of the title, keywords and abstract and making decisions about the eligibility and data extractions. The same review authors assessed the methodological quality of all included studies: for example, the allocation concealment, blinding, and completeness of follow up. Authors of the studies were contacted for additional information. Risk ratios (RR) as effect estimates were calculated for the differences in whether surfaces were carious or not in the treatment groups, along with the appropriate standard errors and 95% confidence intervals (CI). No data could be combined or meta-analyses undertaken due to the clinical and methodological diversity between study designs. MAIN RESULTS: Four studies were eligible for inclusion in the review. Three of the four studies compared the effectiveness of sealants with fluoride varnish application, and one study compared the effectiveness of sealants and fluoride varnish combination with fluoride varnish alone. Results of two studies revealed the effectiveness of pit and fissure sealants to be statistically significantly higher than an application of fluoride varnish every 6 months in preventing occlusal decays of first molars at 23 months (RR 0.74, 95% CI 0.58 to 0.95) and at 9 years follow up (RR 0.48, 95% CI 0.29 to 0.79). One of these studies was classed as at low risk of bias, one of moderate to high risk. One small study at moderate to high risk of bias failed to find a statistically significant difference between sealants and fluoride varnishes. One study of low risk of bias found a statistically significant difference in favour of the sealants and fluoride varnish combination compared with merely fluoride varnish at 24 months follow up with RR 0.36 (95% CI 0.21 to 0.61). The age of children in the included studies was 5 to 9 years. Allocation concealment was classified adequate in two of these four studies. AUTHORS' CONCLUSIONS: There was some evidence of the superiority of pit and fissure sealants over fluoride varnish application in the prevention of occlusal decays. However, it remained unclear to what extent there is difference between the effectiveness of pit and fissure sealants and fluoride varnishes. Therefore, more high quality research is needed. No recommendations for the clinical practice could be given and the benefit of pit and fissure sealants and fluoride varnishes should be considered locally and individually.

Adolescent↗
PubMed1995

Experience-based teaching of therapeutics and clinical pharmacology of antiepileptic drugs. Sudden unexplained death in epilepsy: do antiepileptic drugs have a role?

The contents of this paper have been written to be used in a teaching program specifically designed for medical postgraduate education of resident physicians and fellows in training interested in the clinical pharmacology of antiepileptic drugs and their role in the treatment of epilepsy and/or in the prevention of sudden unexpected death associated with this disease. With some modifications, such as a specific lecture to provide an overview of the numerous concepts presented in the text, the article could be used when teaching fourth-year medical students. The format of the paper is a combination of didactic review and eight case reports in a self-learning format. A quiz for self-assessment is included at the end of the article (see Appendix). This material was covered in part in the 1992 Board Review Course for Clinical Pharmacology sponsored by the American College of Clinical Pharmacology. The format or setting of instruction for this material could include small learning groups composed of 10 to 15 students. When used in combination with other topics prepared in similar formats, this could become a take home course for those preparing to take the Boards in Clinical Pharmacology. Each instructor could select specific publications from the reference list for assigned readings depending upon the material emphasized by the instructor. The questions included at the end of the text could be used as either a closed or an open book quiz to assess student learning.

Adolescent↗
PubMed2002

The first trimester 'combined test' for the detection of Down syndrome pregnancies in 4939 unselected pregnancies.

The high detection rate (DR) for Down syndrome (DS) pregnancies which can be achieved by measuring fetal nuchal translucency (NT) early in pregnancy can be improved by combining it with placental hormones [pregnancy-associated plasma protein A (PAPP-A) and free beta-human chorionic gonadotrophin (fbeta-hCG)] and maternal age ('combined test'). In this study we wanted to assess the DR using the 'combined test' in an unselected population of self-referred pregnant women at a false-positive rate (FPR) of about 5%. NT, PAPP-A, fbeta-hCG and maternal age were measured in all women with singleton pregnancies who booked for delivery in our hospital from 1 December 1997 to 31 April 2000 and who were between 10 and 13 completed weeks of gestation [crown-rump length (CRL) 35-70 mm]. The specific DS risk was calculated using the computer program Alpha Version 5aa (Logical Medical Systems, London, UK). A total of 4939 women were tested. Out of 14 DS pregnancies that occurred during this period of time, 12 were detected with the test. A total of 246 women had a false-positive test result in a non-DS pregnancy (FPR 5.0%). This makes the 'combined test' by far the best test for the detection of DS pregnancies in a low-risk population. The constant increase in maternal age at the time of delivery can also lead to an improved DR if a simple age-dependant protocol for DS detection is used, but only at the price of a much higher number of amniocenteses and subsequent abortions. The DR for DS can be increased much more markedly using the 'combined test' with a FPR that still remains at the level as it was in the early 1970s.

Abortion, Spontaneous↗
PubMedDate not supplied

The breast cancer prevention diet by Dr. Bob Arnot: unscientific and deceptive--a disservice to American women.

The following report is a critical review of the recently published book by NBC's chief medical correspondent, Dr. Bob Arnot, entitled, The Breast Cancer Prevention Diet: The Powerful Foods, Supplements, and Drugs That Can Save Your Life. The review represents the official opinion of the American Council on Science and Health (ACSH), a nonprofit public health education and advocacy group supported by a board of over 250 scientific and policy advisors. The scientists at the ACSH express their profound concern about the misleading, unscientific, and speculative advice that Dr. Arnot offers to women who wish to reduce their risk of breast cancer, i.e., to all women. The ACSH believes, first, that in the absence of sound, peer-reviewed evidence supporting such advice, there is harm in recommending lifestyle modifications for the purpose of preventing breast cancer. The ACSH also believes that a physician (and particularly one in a position of public trust, such as a professional media health expert) should refrain from selling advice based on the twin philosophies that "you can't afford to wait" for the evidence, and that "you can only improve your health" with this diet. Indeed, unproven interventions such as those put forth in this book can have negative effects on both physical and psychological health. The ACSH contacted many of the scientists quoted or cited in Dr. Arnot's book. Some expressed concerns regarding the book's message or the misrepresentation of their work or both. Those physicians affiliated with the Memorial-Sloan Kettering Cancer Center (MSKCC) in New York, while expressing their concerns about the claims made in the book, informed the ACSH that they had been "advised" not to comment on The Breast Cancer Prevention Diet. The MSKCC public relations office acknowledged that the center had serious concerns about the Arnot book and that these concerns had been conveyed to the publisher, Little, Brown and Co., and to Dr. Arnot. The MSKCC representative noted that Dr. Arnot had "graciously" agreed to delete all references to MSKCC from future editions.

Breast Neoplasms↗
PubMed2000

Genetics services in a social, ethical and policy context: a collaboration between consumers and providers.

We report a unique, collaborative effort by users and providers of genetic services to arrive at outlines for optimal ethics and clinical practice. Using focus groups of consumers (users) and providers (held separately), a provider-consumer project team developed 1) a consumer wish list, 2) an experientially based ethical overview of situations arising in practice, and 3) detailed suggestions for consumer-provider interactions in clinical settings. Consumers were primarily interested in accurate information, respect for persons, a smoothly functioning team, with the consumer as an equal member of the team, family integrity, and providers who knew the limits of their knowledge and were willing to refer. "Non-directive" counselling and privacy were not major issues in consumer focus groups; some thought providers should openly state their own opinions. Providers had a rather different list of priorities. Books and papers on clinical ethics usually originate from bioethicists and physicians. This pilot project is unique in including consumers and providers equally.

Community Participation↗
PubMed1998

History of medicine on the Internet: resources for librarians.

This paper offers an inventory of resources on the history of medicine on the Internet. Some sites are bibliographic; they supply book and journal citations. Some provide leads (or links) to more specific information, and some include full-text articles or historical essays. Because this material is intended to furnish librarians with reference direction, more attention is given to bibliographic and "linked" sites.

Computer Communication Networks↗
PubMed2000

History of medicine on the Internet: resources for librarians.

This paper offers an inventory of Internet resources on the history of medicine. Some sites are bibliographic; they supply book and journal citations. Some provide leads (or links) to more specific information, and some include full-text articles or historical essays. Because this material is intended to furnish librarians with reference direction, more attention is given to bibliographic and "linked" sites. This paper updates a previous version published in Medical Reference Services Quarterly in Spring 1998.

History of Medicine↗
PubMed2000

Bovine respiratory syncytial virus (BRSV): a review.

Bovine respiratory syncytial virus (BRSV) infection is the major cause of respiratory disease in calves during the first year of life. The study of the virus has been difficult because of its lability and very poor growth in cell culture. However, during the last decade, the introduction of new immunological and biotechnological techniques has facilitated a more extensive study of BRSV as illustrated by the increasing number of papers published. Despite this growing focus, many aspects of the pathogenesis, epidemiology, immunology etc. remain obscure. The course and outcome of the infection is very complex and unpredictable which makes the diagnosis and subsequent therapy very difficult. BRSV is closely related to human respiratory syncytial virus (HRSV) which is an important cause of respiratory disease in young children. In contrast to BRSV, the recent knowledge of HRSV is regularly extensively reviewed in several books and journals. The present paper contains an updated review on BRSV covering most aspects of the structure, molecular biology, pathogenesis, pathology, clinical features, epidemiology, diagnosis and immunology based on approximately 140 references from international research journals.

Amino Acid Sequence↗
PubMed1995

[Human sub-conjunctival dirofilariasis: a probable case seen in France by Amatus Lusitanus in the 16th century].

In the book Curationum medicinalium Centuria septima (1566) of the Portuguese physician Amatus Lusitanus (1511-1568) a curious clinical case is reported concerning a 3 year-old girl from Limoux (Aude, Southern France) affected by ocular filariasis with the worm spontaneously emerging from the eye. On the basis of the description and localisation of the parasite, and of the locality where it was observed, the nematode might be identified as Dirofilaria repens, the causative agent of canine and human dirofilariasis in the Old World. The case was reported by Ulysse Aldrovandi (1522-1605) in his book De animalibus insectis (1602) with a commentary. According to the text of Lusitanus and to Aldrovandi's commentary, it would appear that both authors had observed additional similar cases, the former referring to ocular and the latter to mammal localisations. If this identification is correct, the zoonosis may have existed in Southern France and Italy for 400 years and the report by Lusitanus may represent the first human case of dirofilariasis published in the world.

Dirofilariasis↗
PubMed1991

The safety of team midwifery: the first decade of the Monash Birth Centre.

OBJECTIVE: To review the safety of team midwifery care, in terms of perinatal mortality, for pregnant women assessed at their first visit as being at low risk of complications. DESIGN: A cohort study. SETTING: Team midwifery unit (Birth Centre) in a tertiary hospital. PATIENTS: All women who made a booking and met the selection criteria at their first antenatal visit (3085), excluding those with spontaneous or induced fetal loss before 20 weeks (89) and those who withdrew at their own request to seek an alternative form of care (138); the 2858 remaining women gave birth to 2874 infants. MAIN OUTCOME MEASURES: Perinatal mortality rate; and birthweight specific perinatal mortality ratio with reference values being specific rates for birthweight in Victoria for 1984-1985. RESULTS: The perinatal mortality rate was 7.7 per 1000 births (95% confidence interval [CI] 4.8-11.6) for the whole cohort; for women beginning labour in the Birth Centre it was 1.3 per 1000 births (95% CI, 0.3-3.9). The birthweight standardised perinatal mortality ratio was 80 (95% CI, 50-122). CONCLUSION: Within this setting, with explicit criteria for booking and referral, and a framework for consultation, team midwifery care is as safe as the standard maternity care provided within the State.

Birth Weight↗
PubMed2002

Enantiomer migration order in chiral capillary electrophoresis.

Enantiomer migration order (EMO) in chiral capillary electrophoresis (CE) represents a challenging issue, referred to in less than 20% of the articles on CE enantioseparations. This review article will (i) illustrate the actuality of the topic, (ii) discuss some technical problems related to EMO in CE enantioseparations, (iii) examine the principal differences between CE and other separation techniques from the viewpoint of enantiomer elution order, (iv) demonstrate the potential for a designed reversal of EMO in CE, and (v) emphasize the importance of studying EMO for better understanding of chiral CE as well as its more effective application. Along with CE, the results obtained by other instrumental techniques such as nuclear magnetic resonance (NMR) spectroscopy, mass spectrometry (MS), X-ray crystallography, as well as molecular modeling calculations will be shortly discussed. Rather than referring to all published examples of the opposite migration order of enantiomers in CE, the emphasis will be on general aspects. Recently, the reversal of the EMO was described in detail in a book chapter (Chankvetadze, B., Capillary Electrophoresis in Chiral Analysis, Wiley & Sons, Chichester, UK 1997, Chapter 12) as well as in three review articles.

Cyclodextrins↗
PubMed1993

A medical geographical anniversary.

It is now 200 years since L. L. Finke wrote his treatise on a global medical geography, Versuch einer allgemeinen medicinisch-praktischen Geographie. It was both the most extensive book in substantive content, and the most detailed in conceptual discussion on medical geography written to that point. Although it is one of the foundation pieces of medical geography, modern day practitioners seldom refer to Finke's work. There are two main reasons for this: with the exception of two passages, the work has never been translated from the original German, and many contemporary medical geographers believe that the field only developed in the mid-twentieth century. This paper's purpose is to demonstrate that this last point is unfounded and that recognition of Finke's seminal contribution is long over-due. On the 200th anniversary of the publication of An Attempt at a General Medical-Practical Geography Finke's great achievement is honoured.

Geography↗
PubMed1996

American ecologists: a biographical bibliography.

This paper includes sources of published biographical information on about 575 identified ecologists. There are over 2,400 references cited, providing a wealth of material covering the lives and work of ecological practitioners. Entries range from very short notices of death to somewhat longer obituaries and "Resolutions of Respect" to book-length biographies and autobiographies. The bibliography is alphabetical by individual, while referenced sources are alphabetical and thence chronological. It should be useful to historians, ecologists and historians of science, including biographers, as an entry into the voluminous literature on the development of ecological science.

Bibliographies as Topic↗