E L Ong, J Abbott. Show Affiliations »
Abstract
Mesh: See more » Peer ReviewPeriodicals as TopicWriting
Year: 1991 PMID: 1750891 PMCID: PMC1670105 DOI: 10.1136/bmj.302.6790.1464-e
Source DB: PubMed Journal: BMJ ISSN: 0959-8138