J E Morgenthau, P S Rao, J C Thornton, O Cameron. Show Affiliations »
Abstract
Mesh: See more » AdolescentContraception/methodsContraceptives, OralFemaleFollow-Up StudiesHumansPregnancyTime Factors
Substances: See more » Contraceptives, Oral
Year: 1977 PMID: 266123
Source DB: PubMed Journal: N Y State J Med ISSN: 0028-7628