14,834 followers
RT @uchicagosurgery: Congrats to Dr. Gerhard Ziemer! "Cardiac Surgery: Operations on the Heart & Great Vessels in Adults & Children" https:…
RT @uchicagosurgery: Congrats to Dr. Gerhard Ziemer! "Cardiac Surgery: Operations on the Heart & Great Vessels in Adults & Children" https:…
Congrats to Dr. Gerhard Ziemer! "Cardiac Surgery: Operations on the Heart & Great Vessels in Adults & Children" https://t.co/4WliVECJeW