| Literature DB >> 5547543 |
M M Szucs, H L Brooks, W Grossman, J S Banas, G Meister, L Dexter, J E Dalen.
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Year: 1971 PMID: 5547543 DOI: 10.7326/0003-4819-74-2-161
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391