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APA Citation
Piha‐Paul, S. A., Oh, D., Ueno, M., Malka, D., Chung, H. C., Nagrial, A., Kelley, R. K., Ros, W., Italiano, A., Nakagawa, K., Rugo, H. S., de Braud, F., Varga, A. I., Hansen, A., Wang, H., Krishnan, S., Norwood, K. G., & Doi, T. (2020). efficacy and safety of pembrolizumab for the treatment of advanced biliary cancer: Results from the KEYNOTE‐158 and KEYNOTE‐028 studies. International journal of cancer, 147(8), 2190–2198. http://access.bl.uk/ark:/81055/vdc_100106915440.0x00004f