Ng, Hoi Yan Chemotherapeutic Treatments Increase PD-L1 Expression in Esophageal Squamous Cell Carcinoma through EGFR/ERK Activation. [electronic resource] - Translational oncology Dec 2018 - 1323-1333 p. digital Publication Type: Journal Article ISSN: 1936-5233 Standard No.: 10.1016/j.tranon.2018.08.005 doi