| Literature DB >> 6405964 |
G Uko, F T Christiansen, R L Dawkins, P H Kay.
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Year: 1983 PMID: 6405964 PMCID: PMC1548191 DOI: 10.1136/bmj.286.6379.1748-b
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623