| Literature DB >> 3933701 |
N Ali, D V Hamilton, J S Pryor, M O'Regan, P F Roberts.
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Year: 1985 PMID: 3933701 PMCID: PMC1419031 DOI: 10.1136/bmj.291.6506.1426-d
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623