Reproductive factors and epithelial ovarian cancer risk by histologic type: a multiethnic case-control study.
Tung KH, Goodman MT, Wu AH, McDuffie K, Wilkens LR, Kolonel LN, Nomura AM, Terada KY, Carney ME, Sobin LH. Reproductive factors and epithelial ovarian cancer risk by histologic type: a multiethnic case-control study. Am J Epidemiol. 2003 Oct 01; 158(7):629-38.