Geographical traceability of bacteria based on a systematic stable isotope analysis method. - Wang, Wei; Zhao, Bichun; Cai, Zhuotong; Jie, Zhaowei; Feng, Lin; Hu, Can; Guo, Hongling; Li, Yajun; Deng, Xianhe; Zhu, Jun; Mei, Hongcheng; Ye, Jian (Applied Microbiology & Biotechnology, 2026)