Career records & work history
Medicine Doctors
![John Blalock Photo 1 John Blalock Photo 1](/img/not-found.png)
John Butler Blalock
Specialties:
Surgery
Vascular Surgery
Thoracic Surgery
Cardiothoracic Vascular Surgery
Vascular Surgery
Thoracic Surgery
Cardiothoracic Vascular Surgery
Education:
University of Pennsylvania(1943)