I SIEGEL. Show Affiliations »
Abstract
Keywords: CONTRACEPTIVES, ORAL; PROGESTATIONAL HORMONES
Mesh: See more » Contraceptive AgentsContraceptives, OralFemaleFertilizationHumansProgestins
Substances: See more » Contraceptive AgentsContraceptives, OralProgestins
Year: 1963 PMID: 13992789
Source DB: PubMed Journal: Obstet Gynecol ISSN: 0029-7844 Impact factor: 7.661