| Literature DB >> 6402134 |
V B Subramanian, M J Bowles, N S Khurmi, A B Davies, M J O'Hara, E B Raftery.
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Year: 1983 PMID: 6402134 PMCID: PMC1546538 DOI: 10.1136/bmj.286.6364.520
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623