| Literature DB >> 4869276 |
A Kales, G N Beall, R J Berger, G Heuser, A Jacobson, J D Kales, A H Parmelee, R D Walter.
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Year: 1968 PMID: 4869276 DOI: 10.7326/0003-4819-68-5-1078
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391