title: Techniques for closure of large atrial septal defects.
authors.forename: P Syamasundar
authors.initials: PS
authors.lastname: Rao
mesh_terms: D021721:Balloon Occlusion / Q000009:adverse effects / Q000295:instrumentation*; D006328:Cardiac Catheterization / Q000009:adverse effects / Q000295:instrumentation*; D004867:Equipment Design; D006344:Heart Septal Defects, Atrial / Q000628:therapy*; D006801:Humans; D016896:Treatment Outcome