Patterns of HIV prevalence among injecting drug users in the cross-border area of Lang Son Province, Vietnam, and Ning Ming County, Guangxi Province, China
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1994 ◽
Vol 42
(4)
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pp. 738-757
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1994 ◽
Vol 24
(3)
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pp. 527-535
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2008 ◽
Vol 47
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pp. 623-631
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2003 ◽
Vol 14
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pp. 389-398
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2009 ◽
Vol 33
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pp. 280-283
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