| Literature DB >> 2411333 |
C R Singer, H Hambley, I D Walker, J F Davidson.
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Year: 1985 PMID: 2411333 PMCID: PMC1417495 DOI: 10.1136/bmj.291.6496.634-a
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623