Urinary excretion of phytoestrogens and risk of breast cancer among Chinese women in Shanghai.
Dai Q, Franke AA, Jin F, Shu XO, Hebert JR, Custer LJ, Cheng J, Gao YT, Zheng W. Urinary excretion of phytoestrogens and risk of breast cancer among Chinese women in Shanghai. Cancer Epidemiol Biomarkers Prev. 2002 Sep; 11(9):815-21.