RT Journal Article SR Electronic T1 Parental age. Risk of autistic disorder JF Neurosciences Journal JO Neurosciences (Riyadh) FD Prince Sultan Military Medical City SP 382 OP 383 VO 17 IS 4 A1 Ahmed M. Al-Ansari A1 Mohamed M. Ahmed YR 2012 UL http://nsj.org.sa/content/17/4/382.abstract AB