Ningsih, K., Mulatsih, S., & Nugroho, S. (2015). Effect of methotrexate and doxorubicin cumulative doses on superoxide dismutase levels in childhood acute lymphoblastic leukemia. Paediatrica Indonesiana, 55(5), 239-42. https://doi.org/10.14238/pi55.5.2015.239-42