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应用计算机进行口服避孕药知识教育及其效果评价北京医科大家郭岩美国ＷＩＳＣＯＳＩＮ大学Ｂｅｔｙ．Ｃｈｅｗｎｉｎｇ在美国，少女怀孕是一个比较严重的社会问题，因而日益引起社会的关注。为了避孕，许多青春期女性选择了口服避孕药作为避孕措施。但是这些少女却对口服...
Application of Computer Oral Contraceptives Knowledge Education and its Effectiveness Evaluation Beijing Medical University Guo Yan United States WISCOSIN University Bety. Chewning In the United States, adolescent pregnancy is a serious social problem and has drawn increasing public concern. For contraception, many adolescent girls choose oral contraceptives as a contraceptive. But these girls are oral ...