| Literature DB >> 6793185 |
H Rashid, A R Morley, M K Ward, D N Kerr, A A Codd.
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Year: 1981 PMID: 6793185 PMCID: PMC1507187 DOI: 10.1136/bmj.283.6297.948-a
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623