January 19th, 2012

Obituary – Mark John Callahan,

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Mark Callahan, Mayo Clinic Cardiologist, died Wednesday, Dec. 28, 2011, nine days after being diagnosed with pancreatic cancer. He grew up in Rochester and attended Harvard University and the University of Minnesota medical school. Mark completed an Internal Medicine residency and Cardiology training at the Mayo Clinic from 1978 to 1984. He specialized in Echocardiography.

Post-Bulletin,  1/3/2012

Tags: Cardiology, Mayo Clinic Rochester

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