title: [Clinical studies on secundum type atrial septal defect (with special referance to pathophysiology and follow-up study of the recovery process following radical surgery].
mesh_terms: D000293:Adolescent; D000328:Adult; D006328:Cardiac Catheterization; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D005500:Follow-Up Studies; D006344:Heart Septal Defects, Atrial / Q000503:physiopathology / Q000601:surgery*; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged