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Three underground nuclear tests representing approximately 15-16% of the total effective energy released during the United States underground nuclear testing program from 1951 to 1992 were conducted at Amchitka Island, Alaska. In 1996, Greenpeace reported that leakage of radionuclides, 241Am and 239+240Pu, from these underground tests to the terrestrial and(More)
Molecular techniques developed for detection and diagnosis of enteric viruses have been adapted for use with water samples. Although problems of interference and sensitivity remain, reliable and consistent methods should soon be available for the detection in water of enteroviruses, Norwalk-like viruses, and rotavirus.
A programme of external quality assessment of polymerase chain reaction (PCR) assays through regular exchange of appropriate clinical or spiked specimens between Oxford and Cambridge public health laboratories began in February 1997. We report on 60 specimens included in the exchange. These covered most of the molecular diagnostic assays in use at present.(More)
The presentation of HIV in children varies between developed and developing countries. In addition, the presentation in adolescents may differ from that in younger children. This report highlights a rare presentation and complication of HIV in children and emphasizes the importance of cultural competency when approaching children and families from different(More)
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