Richard Smith. Show Affiliations »
Abstract
Mesh: See more » MarketingPeriodicals as Topic/economicsPeriodicals as Topic/statistics & numerical data
Year: 2003 PMID: 12543826 PMCID: PMC1169200 DOI: 10.1136/bmj.326.7382.182
Source DB: PubMed Journal: BMJ ISSN: 0959-8138