Retention and HIV seroconversion among drug users on methadone maintenance treatment in Yunnan, China
2016 ◽
Vol 167
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pp. 169-174
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2002 ◽
Vol 32
(3)
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pp. 999-1016
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1994 ◽
Vol 36
(2)
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pp. 129-138
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2012 ◽
Vol 38
(6)
◽
pp. 544-550
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