van der Plas, E., Nieman, B. J., Butcher, D. T., Hitzler, J. K., Weksberg, R., Ito, S., & Schachar, R. (2015). Neurocognitive Late Effects of Chemotherapy in Survivors of Acute Lymphoblastic Leukemia: Focus on Methotrexate. J Can Acad Child Adolesc Psychiatry.

van der Plas, Ellen, Brian J. Nieman, Darci T. Butcher, Johann K. Hitzler, Rosanna Weksberg, Shinya Ito, ja Russell Schachar. "Neurocognitive Late Effects of Chemotherapy in Survivors of Acute Lymphoblastic Leukemia: Focus On Methotrexate." J Can Acad Child Adolesc Psychiatry 2015.

van der Plas, Ellen, et al. "Neurocognitive Late Effects of Chemotherapy in Survivors of Acute Lymphoblastic Leukemia: Focus On Methotrexate." J Can Acad Child Adolesc Psychiatry 2015.