UniSurg: A Video-Native Foundation Model for Universal Understanding of Surgical Videos. - Jinlin Wu; Felix Holm; Chuxi Chen; An Wang 007; Yaxin Hu 001; Xiaofan Ye; Zelin Zang; Miao Xu; Lihua Zhou; Huai Liao; Danny Tat-Ming Chan; Ming Feng; et al. (CoRR, 2026)