RT Journal Article SR Electronic T1 Atrial septal aneurysm and stroke JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 789 OP 790 VO 24 IS 7 A1 Tyagi, Alok A1 Benamer, Hani T. YR 2003 UL http://smj.org.sa/content/24/7/789.abstract AB