| Literature DB >> 3087518 |
A G Davison, S Durham, A J Taylor, C J Schilling.
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Year: 1986 PMID: 3087518 PMCID: PMC1340562 DOI: 10.1136/bmj.292.6535.1561
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623