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Abstract
Mesh: See more » Contraceptives, Oral, Combined/administration & dosageContraceptives, Oral, Combined/adverse effectsContraceptives, Oral, Combined/therapeutic useContraindicationsEmergency Medical ServicesEthinyl Estradiol/therapeutic useFemaleHumansMenstrual Cycle/drug effectsNorgestrel/therapeutic usePregnancyTeratologyTime Factors
Substances: See more » Contraceptives, Oral, CombinedNorgestrelEthinyl Estradiol
Year: 1997 PMID: 9127166
Source DB: PubMed Journal: Int J Gynaecol Obstet ISSN: 0020-7292 Impact factor: 3.561