| Literature DB >> 3132249 |
A Collier1, A W Patrick, A D Toft, C C Blackwell, V James, D M Weir.
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Year: 1988 PMID: 3132249 PMCID: PMC2545626 DOI: 10.1136/bmj.296.6630.1162
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623