| Literature DB >> 3089532 |
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Abstract
Keywords: Biomedical and Behavioral Research; Medical Research Council (Great Britain)
Mesh:
Year: 1986 PMID: 3089532 PMCID: PMC1341068 DOI: 10.1136/bmj.293.6543.389
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623