Characteristics of fatigue and correlation with other symptoms of Parkinson's disease
YANG Xin-xin, LI Zhong-jun, WANG Yu-qiao, ZHANG Zun-sheng, HUA Fang, CUI Gui-yun
Chinese Journal of Contemporary Neurology and Neurosurgery . 2018, (8): 614 -620 .  DOI: 10.3969/j.issn.1672-6731.2018.08.010