| Literature DB >> 6805577 |
J N MacPherson, T E Isles, N R Peden, J Crooks.
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Year: 1982 PMID: 6805577 PMCID: PMC1498329 DOI: 10.1136/bmj.284.6327.1479-b
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623