OncoVee™-MiniPDX-guided anticancer treatment for HER2-negative intermediate-advanced gastric cancer patients: a single-arm, open-label phase I clinical study oleh Baonan Zhang, Yuzhen Li, Xiaodan Zhu, Zhe Chen, Xiaona Huang, Tingjie Gong, Weiwang Zheng, Zhenle Bi, Chenyang Zhu, Jingyi Qian, Xiaoqiang Li, Chunhui Jin