Volume 45.1, Issue 89, April 2001, Pages 326-335
A. Shehata; Manal A. Abdel-Mohsen
Volume 44.1, Issue 87, October 2000, Pages 279-294
A. Shehata; A.A. Sharkawy; M. Mubarak
Volume 19.2, Issue 38, January 1988, Pages 195-199
A.A. Shaaban; TH.A. Ibrahim; Z. MOKHTAR; A. Shehata