title: The natural history of the so-called aneurysm of the membranous ventricular septum in childhood.
mesh_terms: D000790:Angiocardiography; D006328:Cardiac Catheterization; D004562:Electrocardiography; D006322:Heart Aneurysm / Q000000981:diagnostic imaging*; D006330:Heart Defects, Congenital / Q000000981:diagnostic imaging*; D006345:Heart Septal Defects, Ventricular / Q000145:classification / Q000000981:diagnostic imaging*; D006801:Humans; D010701:Phonocardiography