| Literature DB >> 6786543 |
D J Back, A M Breckenridge, M MacIver, M L Orme, H Purba, P H Rowe.
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Year: 1981 PMID: 6786543 PMCID: PMC1505474 DOI: 10.1136/bmj.282.6275.1516
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623