RT Journal Article SR Electronic T1 World birth defects day JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 143 OP 145 DO 10.15537/smj.2015.2.11397 VO 36 IS 2 A1 Ahmed M. Kurdi A1 Muhammad A. Majeed-Saidan YR 2015 UL http://smj.org.sa/content/36/2/143.abstract AB