Rancho Santa Fe Bio
- Hartzell Schaff
Hartzell Schaff, MD, is a cardiac surgeon at Mayo Clinic, Rochester, Minn, past president of the American Association of Thoracic Surgeons, and founding member of the Heart Valve Society.
Rancho Santa Fe Bio
Hartzell Schaff, MD, is a cardiac surgeon at Mayo Clinic, Rochester, Minn, past president of the American Association of Thoracic Surgeons, and founding member of the Heart Valve Society.