H Ratner. Show Affiliations »
Abstract
Mesh: See more » Contraceptives, OralFemaleHumans
Substances: See more » Contraceptives, Oral
Year: 1967 PMID: 6017388 DOI: 10.1126/science.155.3765.951
Source DB: PubMed Journal: Science ISSN: 0036-8075 Impact factor: 47.728