Interventional catheterisation in infants and children.
D000800:Angioplasty, Balloon / Q000639:trends; D006328:Cardiac Catheterization / Q000639:trends; D002648:Child; D006331:Heart Diseases / Q000628:therapy*; D006351:Heart Valves; D006801:Humans; D007223:Infant; D012449:Safety