R ASHER. Show Affiliations »
Abstract
Keywords: PERIODICALS
Mesh: See more » HumansPeriodicals as Topic
Year: 1958 PMID: 13560922 PMCID: PMC2026137 DOI: 10.1136/bmj.2.5094.502
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447