D G Altman, S M Gore, M J Gardner, S J Pocock. Show Affiliations »
Abstract
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Year: 1983 PMID: 6405856 PMCID: PMC1547706 DOI: 10.1136/bmj.286.6376.1489
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623