J MARSHALL. Show Affiliations »
Abstract
Keywords: FAMILY PLANNING; MENSTRUATION; OVULATION; STATISTICS
Mesh: See more » Family Planning ServicesFemaleHumansMenstrual CycleMenstruationOvulationStatistics as Topic
Year: 1965 PMID: 14238078 DOI: 10.1016/s0140-6736(65)91543-6
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321