Volume 21.2, Issue 42, May 1989, Pages 80-83
H. ABD EL-RAHMAN; LA.M. EISA; M.A. YASSIEN
Volume 21.2, Issue 42, May 1989, Pages 84-92
M. YASSIEN; H. ABD EL-RAHMAN; A. IBRAHIM; M. MOUSA
Volume 21.2, Issue 42, May 1989, Pages 93-100
M. HAMDY; H. ABD EL-RAHMAN; S. MAKEEN; H. FADL; T. NOUMAN
Volume 21.1, Issue 41, January 1989, Pages 122-128
T. EL-KHATEIB; H. ABD EL-RAHMAN
Volume 19.1, Issue 37, September 1987, Pages 92-100
H. ABD EL-RAHMAN
Volume 17.1, Issue 33, May 1986, Pages 74-85
A. LOTFI; S. NASR; H. YOUSSEF; H. ABD EL-RAHMAN; Y. HEFNAWY; A. EL-TIMMAWY; R. GOBRAN