Master thesis of Physician\ Noha Ezz El Din El Sayed will be discussed in 4\6\2016 at the hall of Discussions. the Discussion committee includes ; Prof. Dr. Abd El Monaem Mohamed Mustafa , Prof. Dr. Gaber Fikry El Bagoury , Prof. Dr. Samy Abd El Sallam , Prof. Dr. Alfons Mina Ibrahim and Prof. Dr. Ehab Mustafa El Nahas.