RT Journal Article SR Electronic T1 Role of selected simple non-invasive laboratory investigations in assessing functional abdominal pain in children aged 5-15 years in Khartoum, Sudan. JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 215 OP 216 VO 33 IS 2 A1 Al-Mendalawi, Mahmood D. YR 2012 UL http://smj.org.sa/content/33/2/215.abstract AB