| Literature DB >> 4917177 |
R E Rieselbach, L B Sorensen, W D Shelp, T H Steele.
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Year: 1970 PMID: 4917177 DOI: 10.7326/0003-4819-73-3-359
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391