| Literature DB >> 6419853 |
P Thomas, A Fennerty, G Backhouse, D P Bentley, I A Campbell, P A Routledge.
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Year: 1984 PMID: 6419853 PMCID: PMC1444462 DOI: 10.1136/bmj.288.6412.191
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623