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Abstract
Mesh: See more » Abnormalities, Drug-InducedAbortion, InducedAdolescentAdultEthinyl Estradiol/adverse effectsEthisterone/adverse effectsFemaleHumansInfertility, FemaleMenarcheNorethindrone/adverse effectsPregnancyPregnancy Complications/chemically inducedPregnancy TestsSpinal Dysraphism/chemically induced
Substances: See more » Ethinyl EstradiolEthisteroneNorethindrone
Year: 1972 PMID: 4569422 DOI: 10.1038/240241a0
Source DB: PubMed Journal: Nature ISSN: 0028-0836 Impact factor: 49.962