title: Ventricular septal defect--a study of clinical and haemodynamic profile.
mesh_terms: D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D006326:Heart Auscultation; D006345:Heart Septal Defects, Ventricular / Q000145:classification / Q000175:diagnosis / Q000503:physiopathology* / Q000601:surgery; D006439:Hemodynamics; D006801:Humans; D007223:Infant; D010701:Phonocardiography