RT Journal Article SR Electronic T1 In Reply: Atrial septal defects JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 473 OP 473 VO 61 IS 6 A1 Douglas S. Moodie YR 1994 UL http://www.ccjm.org/content/61/6/473.2.abstract AB