History of Medicine
Abraham Lincoln and the ‘Lincoln sign’
Collin Kroen, MD
Cleveland Clinic Journal of Medicine February 2007, 74 (2) 108-110;
Collin Kroen
Associate program director, Internal Medicine Residency Program, Section of Hospital Medicine, Cleveland Clinic


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Cleveland Clinic Journal of Medicine
Vol. 74, Issue 2
1 Feb 2007
Abraham Lincoln and the ‘Lincoln sign’
Collin Kroen
Cleveland Clinic Journal of Medicine Feb 2007, 74 (2) 108-110;
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