Issn Print: 0029-7828 Publication Date: 1991/01/01 Print Facebook Twitter LinkedIn Email Pregnancy, Breast Feeding, and Oral Contraceptives and the Risk of Epithelial Ovarian Cancer MARTA L. GWINN; NANCY C. LEE; PHILIP H. RHODES; PETER M. LAYDE; GEORGE L. RUBIN Checking for direct PDF access through Ovid View on Journal Site Excerpt