title: Unopposed endogenous estrogens and the incidence of cancer in female reproductive organs.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000818:Animals; D001943:Breast Neoplasms / Q000453:epidemiology; D002369:Castration; D003276:Contraceptives, Oral / Q000009:adverse effects; D004965:Estrogen Antagonists / Q000009:adverse effects / Q000494:pharmacology; D004967:Estrogens / Q000502:physiology*; D005260:Female; D005833:Genital Neoplasms, Female / Q000453:epidemiology / Q000209:etiology*; D006801:Humans; D008572:Menarche; D008593:Menopause; D008598:Menstruation; D008875:Middle Aged; D009747:Nutritional Physiological Phenomena; D010060:Ovulation / Q000187:drug effects; D011247:Pregnancy; D051381:Rats; D012098:Reproduction
chemical_list: D003276:Contraceptives, Oral; D004965:Estrogen Antagonists; D004967:Estrogens