| Literature DB >> 6263399 |
M H Ornstein, E R Littlewood, I M Baird, J Fowler, A G Cox.
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Year: 1981 PMID: 6263399 PMCID: PMC1505503 DOI: 10.1136/bmj.282.6276.1629-d
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623