| Literature DB >> 5015919 |
R I Lehrer, L S Goldberg, M A Apple, N P Rosenthal.
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Year: 1972 PMID: 5015919 DOI: 10.7326/0003-4819-76-3-447
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391