Association between methylenetetrahydrofolate reductase C677T polymorphism and cerebral small vessel disease: a systematic review and meta-analysis - Zheng, Hao-tao; Lai, Wen-wen; Wang, Jian-jun; Kong, Fan-xin; Cai, Hao-bin; Lin, Song-jun; Wang, Xu; Cai, Dong-bin; Pi, Min; Qin, Xiu-de (Frontiers in Neurology, 2025)