| Literature DB >> 233252 |
R J Corrall, G W Stewart, J G Ratcliffe.
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Year: 1979 PMID: 233252 PMCID: PMC1436962 DOI: 10.1177/014107687907200713
Source DB: PubMed Journal: J R Soc Med ISSN: 0141-0768 Impact factor: 18.000