J Woodyard1. Show Affiliations » 1. Stafford District General Hospital, Stafford ST16 3SA.
Abstract
Year: 1987 PMID: 20742764 PMCID: PMC1245279 DOI: 10.1136/bmj.294.6566.257
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623