R Smith1. Show Affiliations » 1. British Medical Journal, London.
Abstract
Mesh: See more » Contraceptives, OralDiffusion of InnovationHumansResearchResearch Support as TopicRetrospective StudiesTime FactorsUnited KingdomUnited States
Substances: See more » Contraceptives, Oral
Year: 1987 PMID: 3120996 PMCID: PMC1248390 DOI: 10.1136/bmj.295.6609.1335
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623