Rival trailblazers: the origins of successful closed valvular surgery.
Dobell
A R
AR
Royal Victoria Hospital, Montreal, Quebec, Canada.
D006348:Cardiac Surgical Procedures / Q000266:history*; D006349:Heart Valve Diseases / Q000266:history* / Q000601:surgery; D049673:History, 20th Century; D006801:Humans; D014481:United States