Further observations on the clinical effectivity of new low-dosage oral pills for contraception in Indian women: a four-year study.
D003276:Contraceptives, Oral / Q000008:administration & dosage* / Q000009:adverse effects / Q000494:pharmacology; D005040:Ethynodiol Diacetate / Q000008:administration & dosage* / Q000494:pharmacology; D005260:Female; D006801:Humans; D007194:India; D008598:Menstruation / Q000187:drug effects; D011247:Pregnancy
D003276:Contraceptives, Oral; D005040:Ethynodiol Diacetate