Listar Medicina, ciencias biomédicas y salud pública por autor "Watley, Anne S."
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A case-control study of breast cancer and hormonal contraception in Costa Rica
Rosero Bixby, Luis; Grimaldo Vásquez, Carmen; Rovira, Elizabeth; Lee, Nancy C.; Oberle, Mark W.; Watley, Anne S. (1987)By 1981, 11% of married women in Costa Rica ages 20-49 years had used depot-medroxyprogesterone acetate (DMPA) and 58% had used oral contraceptives (OCs). Since 1977, the Costa Rican Ministry of Health has maintained a ...