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
0 Tweets
913 Followers
3 Following