Hartzell Schaff, MD
@hschaffmd
Cardiovascular Surgeon at Mayo Clinic. President, American Association for Thoracic Surgery. Tweets are my own, not Mayo's.
ID: 1379854706
http://www.mayoclinic.org/cardiovascular-surgery-rst/ 25-04-2013 16:32:18
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Official account of the Sooners. #OUDNA = 7 national championships, 50 conference titles, 7 Heismans. Instagram: instagram.com/ou_football
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