| Literature DB >> 6274475 |
A H Thomson, J Dearlove, I Lewis, P Latham, N Birkin, A Keogh.
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Year: 1981 PMID: 6274475 PMCID: PMC1507775 DOI: 10.1136/bmj.283.6303.1405-c
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623