RT Journal Article SR Electronic T1 Pregnancy outcomes and complications in advanced maternal age JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 1769 OP 1770 VO 27 IS 11 A1 Ayaty, Seddigheh A1 VahidRoudsari, Fatemeh A1 Shakeri, Mohammad T. A1 Yousefi, Zohreh YR 2006 UL http://smj.org.sa/content/27/11/1769.abstract