| Literature DB >> 638587 |
J D Stamatakis, V V Kakkar, D Lawrence, P G Bentley, D Nairn, V Ward.
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Year: 1978 PMID: 638587 PMCID: PMC1603969 DOI: 10.1136/bmj.1.6119.1031
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447