R Smith1. Show Affiliations » 1. British Medical Journal, London.
Abstract
Mesh: See more » EuropeEuropean UnionResearchResearch Support as Topic
Year: 1992 PMID: 1392760 PMCID: PMC1882785 DOI: 10.1136/bmj.304.6831.899
Source DB: PubMed Journal: BMJ ISSN: 0959-8138