| Literature DB >> 4398449 |
C C Tisher, H B Kelso, R R Robinson, J C Gunnells, P M Burkholder.
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Year: 1971 PMID: 4398449 DOI: 10.7326/0003-4819-75-4-537
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391