TY - GEN AU - Mustafa Shawki Elsherify AU - Ezzat Safwat Fahmy , AU - Hala Abd El badie Nayel , TI - Central nervous system relapse in children with acute lymphoblastic leukemia / PY - 2003/// CY - Cairo : PB - Mustafa Shawki Elsherify , KW - ALL relapse KW - CNS preventive therapy KW - Risk classification N1 - Thesis (M.Sc.) - Cairo University - Faculty Of Medicine - Department Of Oncology; Issued also as CD ER -