S Kaplan, P Cole. Show Affiliations »
Abstract
Mesh: See more » AdultAgedBostonContraceptives, OralEducational StatusEpidemiologic MethodsEthnic GroupsFemaleHumansMassachusettsMiddle AgedPersonalityPostal ServiceReproductionSocioeconomic FactorsSurveys and Questionnaires
Substances: See more » Contraceptives, Oral
Year: 1970 PMID: 5496532 PMCID: PMC1059291 DOI: 10.1136/jech.24.4.245
Source DB: PubMed Journal: Br J Prev Soc Med ISSN: 0007-1242