title: [Operative treatment of atrial septal defect (secundum type)--clinical assessments in 83 patients (author's transl)].
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006344:Heart Septal Defects, Atrial / Q000601:surgery*; D006801:Humans; D007223:Infant; D008297:Male; D008722:Methods; D008875:Middle Aged