| Literature DB >> 4544818 |
P Kumar, M Lancaster-Smith, P Cook, A Stansfeld, M L Clark, A M Dawson.
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Year: 1974 PMID: 4544818 PMCID: PMC1633575 DOI: 10.1136/bmj.1.5904.366
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447