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Abstract
Keywords: CONTRACEPTIVES, ORAL
Mesh: See more » Contraceptive AgentsContraceptives, OralFemaleHumans
Substances: See more » Contraceptive AgentsContraceptives, Oral
Year: 1961 PMID: 14471934 PMCID: PMC1970272 DOI: 10.1136/bmj.2.5261.1179
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447