Construction of a cell model with membrane-surface expression of canine PD-1 and PD-L1 proteins in 293T cells by using eukaryotic expression systems. - Sun, Guopeng; He, Jinjiao; Li, Shaozu; Jia, Kaikai; Zhang, Tao; He, Haixun; Li, Peng (Biotechnic & Histochemistry, 2025)