Polycystic ovarian syndrome (PCOS), related symptoms/sequelae, and breast cancer risk in a population-based case–control study - Jayeon Kim; Jennifer E. Mersereau; Nikhil Khankari; Patrick T. Bradshaw; Lauren E. McCullough; Rebecca Cleveland; Sumitra Shantakumar; Susan L. Teitelbuam; Alfred I. Neugut; Ruby T. Senie; Marilie D. Gammon (Cancer Causes & Control, 2016)