Serum neurotransmitter analysis of motor and non-motor symptoms in Parkinson’s patients - Fan, Yichun; Yang, Wenping; Wu, Weilan; Wang, Xinjing; Lin, Yuxin; Wu, Linlin; Wang, Jun; Huan, Fei; Ding, Haixia; Gao, Rong (Frontiers in Aging Neuroscience, 2024)