| Literature DB >> 3083946 |
A Collier, D M Matthews, H A Kellett, B F Clarke, J A Hunter.
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Year: 1986 PMID: 3083946 PMCID: PMC1339859 DOI: 10.1136/bmj.292.6525.936
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623