| Literature DB >> 5635316 |
J D Croft, S N Swisher, B C Gilliland, R F Bakemeier, J P Leddy, R I Weed.
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Year: 1968 PMID: 5635316 DOI: 10.7326/0003-4819-68-1-176
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391