| Literature DB >> 4823813 |
E R Block, J E Bennett, L G Livoti, W J Klein, R R MacGregor, L Henderson.
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Year: 1974 PMID: 4823813 DOI: 10.7326/0003-4819-80-5-613
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391