title: The second heart sound in tetralogy of Fallot and its importance in the evaluation of results of surgical corrective procedures.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D006326:Heart Auscultation; D006801:Humans; D010701:Phonocardiography; D013771:Tetralogy of Fallot / Q000601:surgery*