Segal, N. H., Ou, S. I., Balmanoukian, A., Fury, M. G., Massarelli, E., Brahmer, J. R., Weiss, J., Schöffski, P., Antonia, S. J., Massard, C., Zandberg, D. P., Khleif, S. N., Xiao, F., Rebelatto, M. C., Steele, K. E., Robbins, P. B., Angra, N., Song, X., Abdullah, S., & Butler, M. (2019). safety and efficacy of durvalumab in patients with head and neck squamous cell carcinoma: results from a phase I/II expansion cohort. European journal of cancer, 109, 154–161. http://access.bl.uk/ark:/81055/vdc_100084050664.0x00001e