Hypoxia-induced soluble CD137 in malignant cells blocks CD137L-costimulation as an immune escape mechanism. (6th November 2014) - Labiano, Sara; Palazon, Asis; Bolaños-Mateo, Elixabet; Azpilicueta, Arantza; Rodriguez, Alfonso; Morales-Kastresana, Aizea; Marin, Elena; Gurpide, Alfonso; Rodriguez-Ruiz, Maria; Aznar, M Angela; Jure-Kunkel, Maria; Melero, Ignacio