RT Journal Article SR Electronic T1 Atrial septal aneurysm and stroke JF Neurosciences Journal JO Neurosciences (Riyadh) FD Prince Sultan Military Medical City SP 203 OP 204 VO 8 IS 3 A1 Tyagi, Alok A1 Benamer, Hani T. YR 2003 UL http://nsj.org.sa/content/8/3/203.abstract AB