Investigation and analysis on awareness rate and acquiring approaches of knowledge about emergency contraception among women undergoing induced abortion
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Investigation and analysis on awareness rate and acquiring approaches of knowledge about emergency contraception among women undergoing induced abortion
10LiYing Zhang, Xiang Gao, ZhaoWen Dung, et al. Premarital sexual activities among students in a university in beijing, China. Sexually Transmitted Diseases,2002,29 (4) : 212 - 215.