Reductions in sexually transmitted infections associated with popular opinion leaders in China in a randomised controlled trial
2011 ◽
Vol 87
(4)
◽
pp. 337-343
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2010 ◽
Vol 86
(7)
◽
pp. 525-531
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2007 ◽
Vol 83
(7)
◽
pp. 552-557
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1996 ◽
Vol 35
(2)
◽
pp. 246