Volume 26.1, Issue 51, October 1991, Pages 124-137
N.A. EL-WANIS; F.S. EL-DERHALLI; A.M. NASSAR; ELHAM EL-EBLAR Y; SALWA EL-ASELY; FEKRIA EL-BORDENI; NADIA HASSAN; NARGES BARHOUMA
Volume 25.1, Issue 49, April 1991, Pages 75-81
SUSAN TOLBA; I. REDA; SALWA. EL-ASELY; ELHAM EL-EBIARY; A. EL-SONOSI; NARGES BARHOUMA