Volume 23.2, Issue 46, July 1990, Pages 234-239
A.M. OSMAN; M.A. EL-NAGGAR; N.H. SALEH; A. Kh. ABDEL-RAZEK
Volume 23.1, Issue 45, April 1990, Pages 221-223
A.M. OSMAN; M.A. EL-NAGGAR; N.H. SALEH; A.KH. ABDEL-RAZEK
Volume 15.1, Issue 29, September 1985, Pages 205-211
A.A. FARRAG; M.A. EL-NAGGAR; A.M. OSMAN; S.H. MOHAMED
Volume 14.2, Issue 28, May 1985, Pages 217-223
A.M. OSMAN; M.A. EL-NAGGAR; A.A. FARRAG; S.H.M. SHEHATA
Volume 11.1, Issue 21, June 1983, Pages 211-216
A.M.H. OSMAN; M.A. EL-NAGGAR; A.A.M. EL-TIMAWY; B.H. SERUR
Volume 10.2, Issue 20, January 1983, Pages 161-163
M.A. EL-NAGGAR; A.A. FARRAG; B.H. SERUR
Volume 9, Issue 17.18, January 1982, Pages 165-169
M.A. EL-NAGGAR; H. IBRAHIM; B.H. SERUR
Volume 7.1, Issue 13.14, January 1980, Pages 1-13
M.I. EL-SHERRY; SANAA; M. NASSAR; M.A. EL-NAGGAR
Volume 7.1, Issue 13.14, January 1980, Pages 15-30
M.I. EL-SHERRY; M.A. EL-NAGGAR; SANAA; M. NASSAR
Volume 7.1, Issue 13.14, January 1980, Pages 47-61
M.I. EL-SHERRY; SANAA M. NASSAR; M.A. EL-NAGGAR
Volume 7.1, Issue 13.14, January 1980, Pages 63-73
M.I. EL-SHERRY; M.A. EL-NAGGAR; SANAA M. NASSAR
Volume 7.1, Issue 13.14, January 1980, Pages 81-95
M.I. EL-SHERRY; M.A. EL-NAGGAR; SANAA M. NASSAR
Volume 7.1, Issue 13.14, January 1980, Pages 245-254
A.A. MOTTELIB; M.A. EL-NAGGAR