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中国计划生育学杂志
中国青少年婚前性行为状况及降低非意愿妊娠方法探讨
陈忆;许洁霜;程利南
Sexual Behaviors among Chinese Adolescents and Approaches to Decreasing Unwanted Pregnancy
ChenYi[1];XuJieshuang[2];ChengLinan[2]
. 2005, (9): 572 .