[Medical aspects of diving accidents].
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Barotrauma↗
Biomedical subjects
J W Mulder
Publications and source records attributed to J W Mulder.
Comparison of methane production rate and coenzyme f(420) content of methanogenic consortia in anaerobic granular sludge.
The coenzyme F(420) content of granular sludge grown on various substrates and substrate combinations was measured, and the potential of the sludge to form methane (maximum specific methane production rate) from hydrogen, formate, acetate, propionate, and ethanol was determined. The F(420) content varied between 55 nmol g of volatile suspended solids (VSS) for sludge grown on acetate and 796 nmol g of VSS for sludge grown on propionate. The best correlation was found between the F(420) content and the potential activity for methane formation from formate; almost no correlation, however, was found with acetate as the test substrate. The ratio between the potential methanogenic activities (qch(4)) of sludges grown on various substrates and their F(420) content was in general highest for formate (48.2 mumol of CH(4) mumol of F(420) min) and lowest for propionate (6.9 mumol of CH(4) mumol of F(420) min) as test substrates. However, acetate-grown granular sludge with acetate as test substrate showed the highest ratio, namely, 229 mumol of CH(4) mumol of F(420) min. The data presented indicate that the F(420) content of methanogenic consortia can be misleading for the assessment of their potential acetoclastic methanogenic activity.
Journal Article↗
Basal-cell carcinoma of the vermilion border of the upper lip. A case report.
Basal-cell carcinoma mostly occurs in patients of advanced age, between the 5th and the 7th decades of life. The lesion is usually located on areas that have exposure to the sun and is extremely rare on the oral mucosa. A case of basal-cell carcinoma on the vermilion border of the upper lip in a 62-year-old-male is described. An excisional biopsy under local anaesthesia was followed by a radical wedge excision of the upper lip.
Basal Cell Carcinoma↗
Anomalies of the inferior caval vein.
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Adult↗
Cognitive-behavioral and experiential group psychotherapy for HIV-infected homosexual men: a comparative study.
The knowledge of being infected with the human immunodeficiency virus type 1 (HIV-1) brings about psychological distress and social problems including anxiety, depression, and social isolation. Participating in psychosocial intervention programs can help to reduce these problems. To date, however, very little is known about the efficacy of different intervention strategies. We implemented a study with a randomized experimental design to investigate the effectiveness of a cognitive-behavioral group psychotherapy (CBT) and an experiential group psychotherapy (ET) program for 39 asymptomatic HIV-infected homosexual men. Both therapies consisted of 17 sessions over a 15-week period. The major finding of this study was that psychosocial intervention, independent of the therapeutic orientation, decreased distress significantly, as compared with a waiting-list control group (WCG). There were no significant changes in the intervention groups as compared with the WCG in coping styles, social support, and emotional expression. Finally, CBT and ET did not differ in their effects on psychological distress or on the other psychosocial variables measured in this study.
Adaptation, Psychological↗