title: Two-dimensional echocardiography in the diagnosis of atrial septal defect. Comparative study of echo and surgical findings in 55 cases.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D004452:Echocardiography / Q000379:methods*; D005260:Female; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis* / Q000601:surgery; D006801:Humans; D008297:Male