| Literature DB >> 3115394 |
D Cunningham1, C Evans, J C Gazet, H Ford, A Pople, J Dearling, D Chappell, C Coombes.
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Year: 1987 PMID: 3115394 PMCID: PMC1247086 DOI: 10.1136/bmj.295.6592.250
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623