[CONGENITAL SUBVALVULAR AORTIC STENOSIS. ITS OPEN SURGICAL TREATMENT].
D000293:Adolescent; D001020:Aortic Stenosis, Subvalvular; D001024:Aortic Valve Stenosis; D006348:Cardiac Surgical Procedures; D004562:Electrocardiography; D006330:Heart Defects, Congenital; D006801:Humans; D013903:Thoracic Surgery
ADOLESCENCE; AORTIC VALVE STENOSIS; ELECTROCARDIOGRAPHY; HEART SURGERY
ESTENOSIS A'ORTICA CONG'ENITA SUBVALVULAR. SU TRATAMIENTO QUIR'URGICO A CIELO ABIERTO.