| Literature DB >> 3103769 |
D G Dawson, G H Spivey, J J Korelitz, R T Schmidt.
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Year: 1987 PMID: 3103769 PMCID: PMC1245582 DOI: 10.1136/bmj.294.6571.547
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623