Relationship between increased serum neurofilament light chain and glial fibrillary acidic protein levels with non‐motor symptoms in patients with Parkinson's disease. - Yin, Peixiao; Niu, Xuebin; Guan, Chenyang; Zhang, Zixuan; Liu, Yuning; Li, Jinyu; Cui, Guiyun; Zan, Kun; Xu, Chuanying (Psychogeriatrics, 2024)