Volume 36.2, Issue 72, January 1997, Pages 222-234
M.S. SABREEN; AMAL A. ABDEL-HALEEM
Volume 33.1, Issue 65, April 1995, Pages 147-158
Z.M. ZAKY; M.S. SABREEN; M. ABULFADL; D.A. SALEM
Volume 30.2, Issue 60, January 1994, Pages 147-153
NAGAH M. SAAD; M.S. SABREEN; A.M. EL-KHOLY