R Smith. Show Affiliations »
Abstract
Mesh: See more » Information ServicesInformation Systems/economicsPeriodicals as Topic/trends
Year: 1992 PMID: 1392704 PMCID: PMC1881634 DOI: 10.1136/bmj.304.6830.792
Source DB: PubMed Journal: BMJ ISSN: 0959-8138