Kotb, M. A., N. El-Koofy, W. N. Lotfi, and M. Kamal,
"Doppler assessed haemodynamic changes in infants and children suffering cholestasis.",
The Gazette of Egyptian Pediatric Association , vol. 48, issue 3, pp. 345-356, 2000.
Kotb, M. A., Mahmould A, Moussa S, and A. HH.,
"Fragile X syndrome and other cytogenetic abnormalities presenting by poor school performance in boys with no dysmorphic features.",
The Gazette of Egyptian Pediatric Association , vol. 48, issue 2, pp. 157-175, 2000.