title: Failure of FAB classification to predict relapse-free survival in acute leukemia.
mesh_terms: D001853:Bone Marrow / Q000473:pathology; D002648:Child; D006801:Humans; D007945:Leukemia, Lymphoid / Q000145:classification / Q000401:mortality* / Q000473:pathology; D009367:Neoplasm Staging; D011379:Prognosis