Study on the correlation between two common sleep disorders in Parkinson's disease
MA Li-jing, FU Yun-ting, SHEN Yun, WANG Yi, LI Jie, MAO Cheng-jie, HAN Fei, LIU Chun-feng
Chinese Journal of Contemporary Neurology and Neurosurgery . 2017, (1): 31 -38 .  DOI: 10.3969/j.issn.1672-6731.2017.01.007