Volume 35.1, Issue 69, April 1996, Pages 169-180
SEMIEKA, M; A. SALEH; H. YOUSSEF
Volume 32.1, Issue 63, October 1994, Pages 74-81
M.A. ISMAIL; A. NASSAR; AMAL AHMED; H. YOUSSEF
Volume 31.1, Issue 61, April 1994, Pages 200-208
A LOTFI; T. EL-KHATEIB; S. FATHI; H. YOUSSEF; M. SAID
Volume 30.1, Issue 59, October 1993, Pages 241-250
M. EL-GUINDY,; H. YOUSSEF; M. IBRAHIM; N. NASSAR
Volume 29.1, Issue 57, April 1993, Pages 110-118
H. YOUSSEF; M.R.A. RASHWAN; Sh.M. FATHI; S. AHMED
Volume 28.2, Issue 56, January 1993, Pages 157-163
H. YOUSSEF; T. EL-KHATEIB; FATMA G. SAYED; R.M. RIAD
Volume 28.2, Issue 56, January 1993, Pages 164-168
H. YOUSSEF; T. EL-KHATEIB; S.H. AFIFI; FATMA G. SAYED; R, M. RIAD
Volume 28.2, Issue 56, January 1993, Pages 211-221
H. YOUSSEF; M.R.A. RASHWAN; SH.M. FATHI; S. AHMED
Volume 28.2, Issue 56, January 1993, Pages 222-232
H. YOUSSEF; M.R.A. RASHWAN; SH. M. FATHI; S. AHMED
Volume 24.1, Issue 47, October 1990, Pages 108-115
H. YOUSSEF; M.I. MOURAD; S. ABDEL KARIM; K.M. HASSANEIN; A. SADEK
Volume 23.2, Issue 46, July 1990, Pages 126-135
A. LOTFI; H. YOUSSEF; Y. HEFNAWY; A. EL-TIMAWY; A. NASSAR
Volume 23.2, Issue 46, July 1990, Pages 168-172
M.H. KARRAM; H. YOUSSEF
Volume 23.1, Issue 45, April 1990, Pages 48-56
T. YOUNES; H. YOUSSEF; S. ABDAL-KARIM; K. HASSANEIN
Volume 20.1, Issue 39, May 1988, Pages 110-114
A. LOTFI; H. YOUSSEF; T. EL-KHATEIB; I. SEDDIK; A. EL-TIMAWY; G. ALI
Volume 19.2, Issue 38, January 1988, Pages 143-148
H. YOUSSEF; A. MAHMOUD; M. TAHA; F. MAKADY; SAMIA SELIEM
Volume 19.1, Issue 37, September 1987, Pages 101-105
A. LOTFI; H. YOUSSEF; T. EL-KHATIEB; I. SEDDIK; A. EL-TIMAWY; SAMIRA EL-GIBALY; M. GAFAR
Volume 17.1, Issue 33, May 1986, Pages 59-65
H. YOUSSEF
Volume 17.1, Issue 33, May 1986, Pages 66-73
H. YOUSSEF; ZEINAB EL-SAYED; M. EL-TARABELY; N.A. EL-DANAF
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
Volume 15.2, Issue 30, January 1986, Pages 152-159
A. LOTFI; S. NASR; H. ABDEL-RAHMAN; H. YOUSSEF; Y. HEFNAWY; R. FARGHALLY
Volume 15.1, Issue 29, September 1985, Pages 135-140
H. YOUSSEF; Y. HEFNAWY; H. ABDEL RAHMAN
Volume 14.2, Issue 28, May 1985, Pages 107-114
H. YOUSSEF; A. EL-TIMAWY; Y. HEFNAWY
Volume 14.1, Issue 27, January 1985, Pages 135-140
Y. HEFNAWY; H. YOUSSEF; H. ABDEL-RAHMAN
Volume 12.1, Issue 23, May 1984, Pages 144-148
H. YOUSSEF
Volume 9, Issue 17.18, January 1982, Pages 97-102
H. YOUSSEF