| Literature DB >> 2447998 |
H A Bird1, V Wright, P Le Gallez, R Bojar, J S Dixon.
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Year: 1987 PMID: 2447998 PMCID: PMC1248669 DOI: 10.1136/bmj.295.6612.1521
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623