| Literature DB >> 5021550 |
J Levin, T E Poore, N S Young, S Margolis, N P Zauber, A S Townes, W R Bell.
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Year: 1972 PMID: 5021550 DOI: 10.7326/0003-4819-76-1-1
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391