Synonyms : Leukemia, Lymphoblastic, Acute, Null Cell, Leukemia, Lymphocytic, Acute, Non B, Non T, Leukemia, Lymphocytic, Acute, Null Cell, Lymphoblastic Leukemia, Acute, Non B, Non T, Non B, Non T Acute Lymphoblastic Leukemia, Leukemia, Null Cell, Leukemias, Null-Cell