Agree to the registration subject of research for Dr/Hana Jamal Ahmed Abu Bakr  (Pathology and Clinical Pathology)Under the title:"Pathomorphology and control of mercuric chloride toxicity in mice with special references to neurodegenerative disorders."   Supervisory Committee:1. Prof / Mahmoud Abdel Zaher Abdel Samie2. Prof / Mukhtar Mohamed Taha Mustafa   subject of research for T.b/Jamal Ahmed Abu Bakr