R Smith. Show Affiliations »
Abstract
Mesh: See more » HumansPeriodicals as Topic/economicsPeriodicals as Topic/trendsPublishing/trendsScience
Year: 2001 PMID: 11250834 PMCID: PMC1119830 DOI: 10.1136/bmj.322.7287.627
Source DB: PubMed Journal: BMJ ISSN: 0959-8138