J C McDonald, A J Zuckerman, A S Beare, D A Tyrrell. Show Affiliations »
Abstract
Year: 1962 PMID: 20789383 PMCID: PMC1958186 DOI: 10.1136/bmj.1.5284.1036
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447