You H, Zhang Y-Z, Lai H-L, Li D, Liu Y-Q, Li R-Z, Khan I, Hsiao WWen-Lun, Duan F-G, Fan X-X, et al. Prognostic significance of tumor poliovirus receptor and CTLA4 expression in patients with surgically resected non-small-cell lung cancer. J Cancer Res Clin Oncol. 2020.