TY - JOUR A1 - Ichikawa, L. A1 - Hubbard, R. A1 - Operskalski, B. A1 - LaCroix, A. A1 - Ott, S. A1 - Scholes, D. T1 - A comparison of self-reported oral contraceptive use and automated pharmacy data in perimenopausal and early postmenopausal women Y1 - 2015 DO - 10.1016/j.annepidem.2014.10.009 VL - 25 IS - 1 ER -