G Jarvis. Show Affiliations »
Abstract
Mesh: See more » Family Planning ServicesFemaleHumansNatural Family Planning MethodsPregnancy
Year: 1993 PMID: 8257905 PMCID: PMC1679464 DOI: 10.1136/bmj.307.6915.1358-b
Source DB: PubMed Journal: BMJ ISSN: 0959-8138