A L Cochrane, A S St Leger, P Sweetnam. Show Affiliations »
Abstract
Mesh: See more » Epidemiologic MethodsEthics, MedicalHumansRandom AllocationResearch Design
Year: 1979 PMID: 427416 PMCID: PMC1597763 DOI: 10.1136/bmj.1.6161.486
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447