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检索条件"作者=ryan Brannon"
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Differences in Adolescent Effective Contraception Use between Population Densities
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Open Journal of Obstetrics and Gynecology 2018年 第5期8卷 531-539页
作者: Tess M. Crouss Ruofan Yao ryan brannon Department of Obstetrics and Gynecology Drexel University College of Medicine Philadelphia USA Department of Obstetrics and Gynecology University of Maryland School of Medicine Baltimore USA
Objective: Studies addressing effective contraceptive use by population density are lacking. We hypothesize that contraception counseling and effective contraception use vary by population density. Study Design: This ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论