Nontargeted metabolomics analysis of potential biomarkers for patients with chronic ischemic stroke in extremely cold rural regions: An exploratory case-control study - Li Bai; Zhongyuan Li; Jie Ge; Xiaolei Yang; Haifeng Xue; Baokui Qi; Liran Cui; Kejia Zhu; Yu Cheng; Xueyan Qian; Yuehui Jia; Hongjie Li; et al. (PLoS ONE, 2026)