R Smith. Show Affiliations »
Abstract
Mesh: See more » ChinaCommunicationInternational CooperationPeriodicals as TopicPublishing
Year: 1994 PMID: 8038669 PMCID: PMC2540579 DOI: 10.1136/bmj.309.6947.74
Source DB: PubMed Journal: BMJ ISSN: 0959-8138