Volume 89, December, December 2021, Pages 2455-2461
MOHAMED EL-SAYED MAHMOUD, M.D. MOHAMED Sh. NEGM, M.D.
Volume 89, December, December 2021, Pages 2969-2977
AHMED M.M. ROSHDY, M.Sc.; GEHAN F. KAMEL, M.D.; GEHAN A. GOMAA, M.D.; KEROLOS E. MORIS, M.D.
Volume 89, March, March 2021, Pages 423-429
MOHAMED G. ABDEL TAWAB, M.D.; MOHAMED A. HAMED, M.D.; AHMED EL FIKI, M.D.