United Nations,New York .Oral contraceptive use and risk of breast cancer among women with a family history of breast cancer:a prospective cohort study .李瑛,高尔生,刘云嵘,等.中国妇女低剂量口服避孕药使用者中脑卒中发病情况的前瞻性研究.中华医学杂志,2002,82。王玮,许伟,丁淑玉,等.以人群为基础子宫肌瘤危险因素病例对照研究.中华肿瘤防治杂志,20 ......