| Literature DB >> 1252045 |
K V Rao, R O Berkseth, J T Crosson, L Raij, F L Shapiro.
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Year: 1976 PMID: 1252045 DOI: 10.7326/0003-4819-84-2-174
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391