[MITRAL COMMISSUROTOMY IN AGED PATIENTS].
D006348:Cardiac Surgical Procedures; D004562:Electrocardiography; D005853:Geriatrics; D006351:Heart Valves; D008946:Mitral Valve Stenosis; D013903:Thoracic Surgery
ELECTROCARDIOGRAPHY; GERIATRICS; HEART SURGERY; MITRAL VALVE STENOSIS
MITRAL'NAIA KOMISSUROTOMIIA V POZHILOM VOZRASTE.