Harris‐Bookman, S., Mathios, D., Martin, A. M., Xia, Y., Kim, E., Xu, H., Belcaid, Z., Polanczyk, M., Barberi, T., Theodros, D., Kim, J., Taube, J. M., Burger, P. C., Selby, M., Taitt, C., Korman, A., Ye, X., Drake, C. G., Brem, H., Pardoll, D. M., & Lim, M. (2018). expression of LAG‐3 and efficacy of combination treatment with anti‐LAG‐3 and anti‐PD‐1 monoclonal antibodies in glioblastoma. International journal of cancer, 143(12), 3201–3208. http://access.bl.uk/ark:/81055/vdc_100073410298.0x00005c