Chen, H., Kuhn, J., Lamborn, K. R., Abrey, L. E., DeAngelis, L. M., Lieberman, F., Robins, H. I., Chang, S. M., Yung, W. K. A., Drappatz, J., Mehta, M. P., Levin, V. A., Aldape, K., Dancey, J. E., Wright, J. J., Prados, M. D., Cloughesy, T. F., Wen, P. Y., & Gilbert, M. R. (2020). phase I/II study of sorafenib in combination with erlotinib for recurrent glioblastoma as part of a 3-arm sequential accrual clinical trial: NABTC 05-02. Neuro-oncology advances, 2(1), . http://access.bl.uk/ark:/81055/vdc_100117172448.0x000001