title: [A YEAR'S WORK UNDER DR. E.B. KAY].
mesh_terms: D006348:Cardiac Surgical Procedures; D006350:Heart Valve Prosthesis; D006801:Humans; D008943:Mitral Valve; D013903:Thoracic Surgery; D014481:United States
keywords: HEART SURGERY; HEART VALVE PROSTHESIS; MITRAL VALVE; UNITED STATES