HIV and hepatitis C virus infections and associated risk behaviours among injecting drug users attending a syringe service program: a cross-sectional study in Tunis, Tunisia
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2009 ◽
Vol 41
(6-7)
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pp. 520-523
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1994 ◽
Vol 24
(3)
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pp. 527-535
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2016 ◽
Vol 37
(1)
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pp. 95
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2004 ◽
Vol 24
(2)
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pp. 131-145
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