RT Journal Article SR Electronic T1 Epidemiology of neural tube defects JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 373 OP 374 DO 10.15537/smj.2015.3.11087 VO 36 IS 3 A1 Mahmood D. Al-Mendalawi YR 2015 UL http://smj.org.sa/content/36/3/373.abstract AB