| Literature DB >> 9273831 |
R E Andersen1, S N Blair, L J Cheskin, S J Bartlett.
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Year: 1997 PMID: 9273831 DOI: 10.7326/0003-4819-127-5-199709010-00010
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391