الفهرس 
Acute Lymphoblastic Leukemia
Lymph node biopsyOnly 14 pages are availabe for public view
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Abstract
Acute lymphoblastic leukemia(ALL)is a malignant the normal haematopoietic cells of the bone marrow these lymphoblasts replace the normal bone marrow elements resulting in a marked decrease in the oroduction of normal blood cells(iabbour et al 2005)