| Literature DB >> 3931768 |
J B Warren, R J Shaw, J N Weber, D A Holt, E E Keal, A J Pinching.
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Year: 1985 PMID: 3931768 PMCID: PMC1416903 DOI: 10.1136/bmj.291.6501.1012
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623