Predicting survival in patients with buccal cancer: A study based on SEER database and external validation in China. - Tan, Yongmei; Huang, Guoxing; Hu, Jintao; Zhao, Shaoping; Li, Yanyan; Wen, Zhihui; Wang, Liansheng; Chen, Suling; Chen, Rongxi; Cao, Haotian; Li, Jinsong (Cancer Medicine, 2024)