Epidemiology of HIV in China : Intravenous drug users,sex workers,and large mobile populations are high risk groups |
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Authors: | Kong-lai Zhang Shao-Jun Ma |
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Affiliation: | Department of Epidemiology, School of Basic Medicine, Peking Union Medical College, Beijing (100005), China ();Gansu provincial CDC, Lanzhou, Gansu, China 730000 |
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