title: Letter: Polycystic ovarian disease and oral contraception.
mesh_terms: D000328:Adult; D045166:Estradiol Congeners / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008599:Menstruation Disturbances / Q000139:chemically induced* / Q000150:complications; D010048:Ovarian Cysts / Q000139:chemically induced* / Q000150:complications / Q000175:diagnosis
chemical_list: D045166:Estradiol Congeners