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Abstract
Mesh: See more » Contraception, Postcoital/standardsContraceptives, Oral/administration & dosageFemaleGynecology/standardsHealth Knowledge, Attitudes, PracticeHumansObstetrics/standardsPregnancyPregnancy Rate/trendsSensitivity and SpecificityTime FactorsUnited States
Substances: See more » Contraceptives, Oral
Year: 2005 PMID: 16319278 DOI: 10.1097/00006250-200512000-00052
Source DB: PubMed Journal: Obstet Gynecol ISSN: 0029-7844 Impact factor: 7.661