RT Journal Article SR Electronic T1 Concordant expression of Hirschsprung's disease in monozygous twins JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 200 OP 201 VO 21 IS 2 A1 Adnan A. Mohammed A1 Deodas B. Gahukamble YR 2000 UL http://smj.org.sa/content/21/2/200.abstract AB A monozygous pair of twins with long segment Hirschsprung's disease born to non consanguineous parents is presented. Mother's history was uneventful. In the absence of prenatal and postnatal illness, the concordant lesions in this pair could be attributed to genetic factors.