J A Grant, S Hull, R Sutcliffe, D Rawlins, J Winship. Show Affiliations »
Abstract
Year: 1985 PMID: 20742454 PMCID: PMC1415905 DOI: 10.1136/bmj.290.6477.1280
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623