(Q33433280)
Statements
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Early initiation of sexual activity: a risk factor for sexually transmitted diseases, HIV infection, and unwanted pregnancy among university students in China (English)
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Qiaoqin Ma
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Masako Ono-Kihara
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Liming Cong
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Guozhang Xu
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Xiaohong Pan
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Saman Zamani
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Shahrzad Mortazavi Ravari
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Dandan Zhang
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Takayuki Homma
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Masahiro Kihara
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22 April 2009
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111
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22 April 2009
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Identifiers
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