Volume 55, Issue 121, April 2009, Pages 1-15
S. NASR; NAGAH SAAD; NAHED WAHBA; WALAA MAHMOUD
Volume 55, Issue 121, April 2009, Pages 1-14
S. NASR; NAGAH M. SAAD; RANIA M. EWIDA
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