M J Bull. Show Affiliations »
Abstract
Mesh: See more » Family PracticeFemaleHumansIntrauterine DevicesMedical RecordsMethodsPunched-Card SystemsUnited Kingdom
Year: 1973 PMID: 4787886 PMCID: PMC2157160
Source DB: PubMed Journal: J R Coll Gen Pract ISSN: 0035-8797