| Literature DB >> 3120930 |
M W Ghilchik1, N A Shaikh, P A Beranek, M J Reed.
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Year: 1987 PMID: 3120930 PMCID: PMC1248245 DOI: 10.1136/bmj.295.6607.1172
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623