北京市育龄人群免费避孕药具使用现状及需求的定性调查

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刘静;吴尚纯;耿玉田;李兵;刘云梅;丛捷

A Qualitative Survey on the Use and Needs of Free Contraceptive among People of Reproductive Age in Beijing

. 2009, (11): 663 .