| Literature DB >> 3092941 |
S J Walker, C R Mackie, R M Mendelson, A Arnold, M R Colmer.
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Year: 1986 PMID: 3092941 PMCID: PMC1341384 DOI: 10.1136/bmj.293.6547.595-a
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623