Association of estrogen receptor alpha gene polymorphisms with autonomic modulation of heart rate in users and nonusers of oral contraceptives - Rebelo, Ana Cristina Silva; Verlengia, Rozangela; Kunz, Vandeni Clarice; Tamburus, Nayara Y; Sá, Marcos Felipe Silva de; Hirata, Rosario Dominguez Crespo; Cerda, Alvaro; Hirata, Mario Hiroyuki; Silva, Ester da (Contraception, 2013)