| Literature DB >> 3931810 |
K Lauritsen, L S Laursen, T Havelund, P Bytzer, J Rask-Madsen.
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Year: 1985 PMID: 3931810 PMCID: PMC1417007 DOI: 10.1136/bmj.291.6502.1093
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623