Unmasking the expression of PD-L1 in Myeloid Derived Suppressor Cells : a case study in lung cancer to discover new drugs with specific on-target efficacy - G. Rico, Laura (Institut Germans Trias i Pujol. Institut de Recerca contra la Leucèmia Josep Carreras) ; Aguilar-Hernández, Andrés (Grup Quirónsalud (Barcelona, Catalunya)) ; Ward, M. D. (Thermo Fisher Scientific) ; Bradford, Jolene A (Thermo Fisher Scientific) ; Junca, Jordi (Institut Germans Trias i Pujol. Hospital Universitari Germans Trias i Pujol) ; Rosell, Rafael (Institut Germans Trias i Pujol. Hospital Universitari Germans Trias i Pujol) ; Petriz, Jordi (Institut Germans Trias i Pujol. Institut de Recerca contra la Leucèmia Josep Carreras) ; Universitat Autònoma de Barcelona