SELECTION OF PATIENTS FOR VALVULAR HEART SURGERY.
D001024:Aortic Valve Stenosis; D006348:Cardiac Surgical Procedures; D006350:Heart Valve Prosthesis; D008943:Mitral Valve; D008946:Mitral Valve Stenosis; D013903:Thoracic Surgery
AORTIC VALVE STENOSIS; HEART SURGERY; HEART VALVE PROSTHESIS; MITRAL VALVE; MITRAL VALVE STENOSIS