- Modified chemotherapy with carmustine, cytarabine, cyclophosphamide, and 6-thioguanine (BACT) and autologous bone marrow transplantation in 24 poor-risk patients with acute lymphoblastic leukemia. Pico, J.L., Hartmann, O., Maraninchi, D., Beaujean, F., Benhamou, E., Mascret, B., Novakovitch, G., Ghalie, R., Kalifa, C., Hayat, M. J. Natl. Cancer Inst. (1986)