S Lock. Show Affiliations »
Abstract
Mesh: See more » Peer ReviewPeriodicals as TopicPublishing
Year: 1982 PMID: 6812815 PMCID: PMC1499773 DOI: 10.1136/bmj.285.6350.1224
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623