| Literature DB >> 5063661 |
P S Clark, K M Brownsberger, A R Saslow, I G Kagan, G R Noble, J E Maynard.
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Year: 1972 PMID: 5063661 DOI: 10.7326/0003-4819-76-6-951
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391