title: TRANSSEPTAL CATHETERIZATION OF THE LEFT HEART. OBSERVATION IN 200 CASES.
mesh_terms: D000293:Adolescent; D000790:Angiocardiography; D006328:Cardiac Catheterization; D002404:Catheterization; D002648:Child; D004562:Electrocardiography; D005268:Femoral Vein; D006330:Heart Defects, Congenital; D006349:Heart Valve Diseases; D006801:Humans
keywords: ADOLESCENCE; ANGIOCARDIOGRAPHY; CHILD; ELECTROCARDIOGRAPHY; FEMORAL VEIN; HEART CATHETERIZATION; HEART DEFECTS, CONGENITAL; HEART VALVE DISEASES