The predictive and prognostic role of single nucleotide gene variants of PD-1 and PD-L1 in patients with advanced melanoma treated with PD-1 inhibitors oleh A. Boutros, R. Carosio, D. Campanella, F. Spagnolo, B. Banelli, A. Morabito, M.P. Pistillo, E. Croce, F. Cecchi, P. Pronzato, P. Queirolo, E. Raposio, V. Fontana, E.T. Tanda