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本帖最后由 细胞海洋 于 2013-2-23 02:01 编辑
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; A* u9 S" {/ x! y! J+ ?COVER With her mother looking on, a woman in Hlabisa, South Africa, receives an HIV test as part of a survey by the Africa Centre for Health and Population Studies. In this issue, two Reports (pages 961 and 966) show that treating HIV-infected people reduces the risk of virus spread and increases life expectancy. A special News section (page 898) describes South Africa's fight against the co-epidemics of HIV and tuberculosis. Photo: Malcolm Linton
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发表于 2013-2-23 00:23
发表于 2013-2-23 08:13
