| Literature DB >> 6113027 |
J G Prior, G M Cochrane, S M Raper, C Ali, G N Volans.
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Year: 1981 PMID: 6113027 PMCID: PMC1505856 DOI: 10.1136/bmj.282.6280.1932
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623