| Literature DB >> 3089372 |
D Heller, O N Gill, E Raynham, T Kirkland, P M Zadick, R Stanwell-Smith.
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Year: 1986 PMID: 3089372 PMCID: PMC1340645 DOI: 10.1136/bmj.292.6537.1726
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623