| Literature DB >> 5580639 |
R J Duma, W I Rosenblum, R F McGehee, M M Jones, E C Nelson.
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Year: 1971 PMID: 5580639 DOI: 10.7326/0003-4819-74-6-923
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391