Statistical significance: its appropriate use.
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Biomedical subjects
Publications and source records attributed to J Gale.
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The need for teacher training in the health professions and the shortcomings of the usual methods of involving teachers in teaching strategies are discussed. An outline of a course employing a workshop method to overcome some of the shortcomings is given, based on the four years' experience of the course held at King's College Hospital Medical School.
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Plastic-film-type antitranspirants are more permeable to water vapor than to carbon dioxide. Photosynthesis in treated plants is reduced to the same or greater extent than transpiration, except under conditions of stress, when photosynthesis in treated plants is greater than in controls. This exception is attributed to reduction of stress, as the selective permeability of the films to gases would tend to produce the reverse effect.
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PURPOSE: To examine the amount of support being provided by nurses to women during childbirth and factors that influence the provision of support. STUDY DESIGN: Exploratory, descriptive. METHODS: Work sampling method was used to determine the percentage of time nurses spend in supportive care activities. Twelve nurses were observed over six nonconsecutive day shifts on a birthing unit of a Canadian teaching hospital in Quebec. A total of 404 observations were made. Nurses were also interviewed to determine their perceptions of what constitutes supportive nursing care and the factors that facilitate or inhibit the provision of this care. RESULTS: Nurses spent only 12.4% of their total time providing supportive care to laboring women. Interviews with nurses suggested that perceptions of the components of supportive care were comparable to this study's operational definition of support, namely: physical, emotional, and instructional/informational support and advocacy. Barriers to providing support identified by nurses included lack of time and insufficient staff. However, further content analysis of the interview data revealed that healthcare providers had a pervasive sense of control over laboring women and their partners. CLINICAL IMPLICATIONS: Although nursing support has been identified as an important aspect of nursing care in childbirth, this study demonstrated an incongruity between what nurses perceived as being supportive care and the amount of support that was actually provided. Barriers to the provision of supportive care in the practice setting as well as suggestions for its enhancement are discussed.
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Gone are the days when volunteer activity was limited to delivering flowers and mail to inpatient rooms. Today's volunteers extend the capacity of health care organizations to provide compassionate and caring service by staffing immunization programs, conducting health screening activities and more. With increased reliance on volunteers and increased responsibility placed on volunteers, it is important that they are protected from any personal liability that may be incurred while working on behalf of your organization. It is equally important that the organization is protected from liability incurred by the acts or omissions of its volunteers.
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Driven by increasing costs and decreasing reimbursement for inpatient care, home health care has been one of the fastest growing segments of the health care industry in recent years. While home care offers psychological and cost benefits to patients, there are increased liability exposures for the agency, hospital and health system.
During the Persian Gulf war chemical warfare (CW) protective devices were distributed to the entire population of Israel. Neonates were to be placed in a protective infant carrier (PIC) or an improved PIC ("active PIC") to which filtered air was actively introduced by a blower. The specific needs of low birthweight babies hospitalized in intensive care units and treated in incubators were not adequately addressed. Transfer to a PIC meant disconnecting the infants from life-supporting systems and monitoring devices and exposing them to changes in ambient temperature. To overcome this difficulty the original incubator was used as a CW protective device. Its ports were sealed and low-grade positive pressure was created. This avoided transfer of the neonates from their controlled environment, reduced physiological stress, and improved medical supervision.
The immunogenicity of peptides conjugates containing the epitope STNS, recognized by inhibitory monoclonal antibodies directed against the Plasmodium falciparum merozoite surface antigen MSA2, was investigated. The sequence of the flanking regions was critical in determining the response against the central epitope. In the best immunogen tested, this flanking sequence was not related to the sequence of the surface antigen itself but nevertheless gave rise to a strong anti-MSA2 protein response as judged by Western blotting and immunofluorescence. This finding illustrates the importance of defining such flanking sequences in optimizing peptide based vaccines.