| Literature DB >> 3924289 |
R G Rees, P P Keohane, G K Grimble, P G Frost, H Attrill, D B Silk.
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Year: 1985 PMID: 3924289 PMCID: PMC1416811 DOI: 10.1136/bmj.290.6485.1869
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623