| Literature DB >> 4683751 |
T F Blaschke, R J Elin, P D Berk, C S Song, S M Wolff.
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Year: 1973 PMID: 4683751 DOI: 10.7326/0003-4819-78-2-221
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391