Volume 38, Issue 1, March 2020, Pages 48-51
Ashraf Abd El Tawab; Fatma El-Hofy; Eman EL-diasty; Ebtehal Abo-Hamdah; Manar Al-Khayat
Volume 31, Issue 2, December 2016, Pages 171-175
Ashraf A. Abd El Tawab; Fatma I. El -Hofy; Attia Al-Jeddawy; Ebtehal Abo-Hamdah