title: Early descriptions of Parkinson disease in ancient China.
authors: Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, China. zhangzx@pumch.ac.cn
authors: Zhen-Xin
authors: ZX
authors: Zhang
authors: Zhen-Hua
authors: ZH
authors: Dong
authors: Gustavo C
authors: GC
authors: Román