Pulmonary valvotomy--50 years ago.
Hollman
A
A
Sea Bank, Hastings, East Sussex, UK.
Treasure
T
T
D006348:Cardiac Surgical Procedures / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D008297:Male; D011664:Pulmonary Valve / Q000601:surgery*; D006113:United Kingdom