| Literature DB >> 6791738 |
J G Erskine, A K Burnett, I D Walker, J F Davidson.
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Year: 1981 PMID: 6791738 PMCID: PMC1506820 DOI: 10.1136/bmj.283.6294.760
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623