Chen, Robert Zinzani, Pier Luigi Fanale, Michelle A. Armand, Philippe Johnson, Nathalie A. Brice, Pauline Radford, John and Ribrag, Vincent Molin, Daniel Vassilakopoulos, Theodoros P. and Tomita, Akihiro von Tresckow, Bastian Shipp, Margaret A. and Zhang, Yinghua Ricart, Alejandro D. Balakumaran, Arun and Moskowitz, Craig H. KEYNOTE-087 Investigators, Phase II Study of the Efficacy and Safety of Pembrolizumab for Relapsed/Refractory Classic Hodgkin Lymphoma, World Journal of Clinical Oncology, (35), 2125+, 2017, AMER SOC CLINICAL ONCOLOGY 2318 MILL ROAD, STE 800, ALEXANDRIA, VA 22314 USA,