Volume 52, Issue 109, April 2006, Pages 101-112
H.A. ABDEL RAHMAN; ZEINAB M. NIAIZI; SOAD A. ISMAIL; M.A. MOHSEN
Volume 12.1, Issue 23, May 1984, Pages 150-157
F.A. AHMED; Y.Y. KAMEL; H.A. ABDEL RAHMAN
Volume 11.2, Issue 22, January 1984, Pages 129-135
F.A. AHMED; H.A. ABDEL RAHMAN