| Literature DB >> 3094659 |
A C Williams, S Sturman, S Kelsey, F T Curran, J A Finnegan.
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Year: 1986 PMID: 3094659 PMCID: PMC1341575 DOI: 10.1136/bmj.293.6550.790-a
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623