| Literature DB >> 6404391 |
C G Semple, G H Beastall, G Teasdale, J A Thomson.
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Year: 1983 PMID: 6404391 PMCID: PMC1547433 DOI: 10.1136/bmj.286.6372.1200
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623