T W Meade, N Wald, R Collins. Show Affiliations »
Abstract
Mesh: See more » Clinical Trials as Topic/standardsHumansPublishing/standardsRandomized Controlled Trials as Topic
Year: 1997 PMID: 9133902 PMCID: PMC2126482
Source DB: PubMed Journal: BMJ ISSN: 0959-8138