Cingulate white matter mediates the effects of fecal Ruminococcus on neuropsychiatric symptoms in patients with amyloid-positive amnestic mild cognitive impairment oleh Chun-Che Hung, Yi-Ping Chao, Yejin Lee, Chi-Wei Huang, Shu-Hua Huang, Chiung-Chih Chang, Chia-Hsiung Cheng