J FRY. Show Affiliations »
Abstract
Keywords: EPIDEMIOLOGY; GENERAL PRACTICE
Mesh: See more » EpidemiologyFamily PracticeGeneral PracticeHumans
Year: 1957 PMID: 13489258 PMCID: PMC1962899 DOI: 10.1136/bmj.2.5059.1453
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447