Leukemia P388Sarcoma 180Leukemia, ExperimentalAntibiotics, AntineoplasticLeukemiaLeukemia, Myeloid, AcuteFermentationLeukemia, Lymphocytic, Chronic, B-CellLeukemia, LymphoidLeukemia, Myelogenous, Chronic, BCR-ABL PositiveDrug Screening Assays, AntitumorLeukemia Virus, MurineAntineoplastic AgentsLeukemia L1210Xenograft Model Antitumor AssaysPrecursor Cell Lymphoblastic Leukemia-LymphomaLeukemia, T-CellLeukemia, Monocytic, AcuteMoloney murine leukemia virus