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《医学前沿(英文)》 >> 2009年 第3卷 第4期 doi: 10.1007/s11684-009-0080-z
Meta-analysis of the risk factors of breast cancer concerning reproductive factors and oral contraceptive use
Department of Maternal and Children Health Care and Adolescent Hygiene, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China;
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