A bispecific antibody AP203 targeting PD-L1 and CD137 exerts potent antitumor activity without toxicity. - Huang, Po-Lin; Kan, Hung-Tsai; Hsu, Ching-Hsuan; Hsieh, Hsin-Ta; Cheng, Wan-Chien; Huang, Ren-Yeong; You, Jhong-Jhe (Journal of Translational Medicine, 2023)