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The pre-operative identification of individuals at high risk of bleeding during major elective surgery is obviously important. Extensive haemostatic screening is, however, expensive and may be inappropriate in low-risk groups. Accordingly, we undertook two studies to determine whether it could be justified in patients without a history of abnormal bleeding.(More)
Guinea pigs were infected with yeast cells ofHistoplasma capsulatum andOidiodendrom kalrai. They were skin tested 6 and 12 weeks post-infection with both homologous and heterologous antigens. There was almost complete skin test cross-reactivity between histoplasmin and oidiodendrin after 12 but not after 6 weeks. There were also strong serologic(More)
Between April 1987 and May 1989, the Centers for Disease Control investigated seven cases of transfusion-associated Yersinia enterocolitica sepsis; four were caused by organisms of serotype O:3, and one each was caused by organisms of serotype O:1,2,3; O:5,27; and O:20. All seven recipients developed septic shock after receiving units of red cells (RBCs)(More)
An unlinked seroprevalence study of HIV and other viruses was conducted on pregnant women on the Caribbean island of Grenada in 1994. Investigators were from both the developed world and the Grenadian Ministry of Health (MOH). There was then no board on Grenada to protect research subjects or review ethical aspects of studies. Nurses from the MOH were asked(More)