| Literature DB >> 4595178 |
J Connolly, J Douglas, R Kumar, D Middleton, J McEvoy, S Nelson, M G McGeown.
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Year: 1974 PMID: 4595178 PMCID: PMC1633481 DOI: 10.1136/bmj.1.5908.638-a
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447