| Literature DB >> 5646095 |
R G Luke, A C Kennedy, J D Briggs, N W Struthers, J K Watt, D W Short, W B Stirling.
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Year: 1968 PMID: 5646095 PMCID: PMC1985782 DOI: 10.1136/bmj.2.5597.76
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447