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Abstract
Mesh: See more » AdolescentAdultContraceptives, Postcoital, Synthetic/adverse effectsEthinyl Estradiol/administration & dosageFemaleHumansLevonorgestrel/administration & dosagePregnancyPregnancy in AdolescenceTime Factors
Substances: See more » Contraceptives, Postcoital, SyntheticEthinyl EstradiolLevonorgestrel
Year: 1995 PMID: 7760603
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321