| Literature DB >> 6134565 |
M J Dew, A D Harries, N Evans, B K Evans, J Rhodes.
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Year: 1983 PMID: 6134565 PMCID: PMC1548114 DOI: 10.1136/bmj.287.6384.23
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623