title: HEART SOUNDS AND PRESSURES IN ATRIAL SEPTAL DEFECT.
mesh_terms: D006328:Cardiac Catheterization; D006343:Heart Septal Defects; D006344:Heart Septal Defects, Atrial; D006347:Heart Sounds; D006801:Humans; D008365:Manometry; D010701:Phonocardiography
keywords: HEART CATHETERIZATION; HEART SEPTAL DEFECTS, ATRIAL; MANOMETRY; PHONOCARDIOGRAPHY