| Literature DB >> 6416545 |
D E Bateman, J C O'Grady, C J Willey, B P Longley, D D Barwick.
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Year: 1983 PMID: 6416545 PMCID: PMC1550116 DOI: 10.1136/bmj.287.6406.1673-a
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623