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Abstract
Mesh: See more » Clinical Trials as Topic/methodsDouble-Blind MethodEthics, MedicalGastroenterology/historyHistory, 20th CenturyHumansRandom AllocationResearch DesignUnited Kingdom
Year: 1984 PMID: 6390401 PMCID: PMC2418056 DOI: 10.1136/pgmj.60.709.719
Source DB: PubMed Journal: Postgrad Med J ISSN: 0032-5473 Impact factor: 2.401