| Literature DB >> 6799095 |
G J Beckett, I W Percy-Robb, J G Douglas, N D Finlayson.
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Year: 1982 PMID: 6799095 PMCID: PMC1495549 DOI: 10.1136/bmj.284.6310.195-b
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623