Association of plasma homocysteine with cognitive impairment in patients with Parkinson’s disease - Xiao, Yan; Gan, Lin-Hua; Liang, Xiao-Niu; Xu, Zhi-Heng; Hu, Tian-Yu; Li, Xiu-Yuan; Tang, Yi-Lin; Wang, Jian; Liu, Yi-Qi (Frontiers in Aging Neuroscience, 2024)