Results of operation for atrial septal defect in patients forty-five years of age and older.
D000368:Aged; D000375:Aging; D005260:Female; D005500:Follow-Up Studies; D006344:Heart Septal Defects, Atrial / Q000601:surgery*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications