R E Ryder. Show Affiliations »
Abstract
Mesh: See more » Family Planning ServicesFemaleHumansIndiaNatural Family Planning MethodsPregnancy
Year: 1993 PMID: 8257912 PMCID: PMC1679407 DOI: 10.1136/bmj.307.6915.1360-c
Source DB: PubMed Journal: BMJ ISSN: 0959-8138