| Literature DB >> 3103736 |
T Wheatley, P M Clark, J D Clark, P R Raggatt, D Evans, R Holder.
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Year: 1987 PMID: 3103736 PMCID: PMC1245525 DOI: 10.1136/bmj.294.6570.482
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623