de Klerk, L. K., Patel, A. K., Derks, S., Pectasides, E., Augustin, J., Uduman, M., Raman, N., Akarca, F. G., McCleary, N. J., Cleary, J. M., Rubinson, D. A., Clark, J. W., Fitzpatrick, B., Brais, L. K., Cavanaugh, M. E., Rode, A. J., Jean, M. G., Lizotte, P. H., Nazzaro, M. J., … Bass, A. J. (2021). Phase II study of pembrolizumab in refractory esophageal cancer with correlates of response and survival. Journal for ImmunoTherapy of Cancer, 9(9), e002472. https://doi.org/10.1136/jitc-2021-002472