Aortic ball-valve prosthesis after 38 years.
Litwak
Robert S
RS
D001021:Aortic Valve / Q000601:surgery*; D005500:Follow-Up Studies; D006350:Heart Valve Prosthesis; D006801:Humans; D011474:Prosthesis Design; D012828:Silicones
D012828:Silicones