Development of a tongue image-based machine learning tool for the diagnosis of gastric cancer: a prospective multicentre clinical cohort studyResearch in context oleh Li Yuan, Lin Yang, Shichuan Zhang, Zhiyuan Xu, Jiangjiang Qin, Yunfu Shi, Pengcheng Yu, Yi Wang, Zhehan Bao, Yuhang Xia, Jiancheng Sun, Weiyang He, Tianhui Chen, Xiaolei Chen, Can Hu, Yunlong Zhang, Changwu Dong, Ping Zhao, Yanan Wang, Nan Jiang, Bin Lv, Yingwei Xue, Baoping Jiao, Hongyu Gao, Kequn Chai, Jun Li, Hao Wang, Xibo Wang, Xiaoqing Guan, Xu Liu, Gang Zhao, Zhichao Zheng, Jie Yan, Haiyue Yu, Luchuan Chen, Zaisheng Ye, Huaqiang You, Yu Bao, Xi Cheng, Peizheng Zhao, Liang Wang, Wenting Zeng, Yanfei Tian, Ming Chen, You You, Guihong Yuan, Hua Ruan, Xiaole Gao, Jingli Xu, Handong Xu, Lingbin Du, Shengjie Zhang, Huanying Fu, Xiangdong Cheng