The study of subjective and objective evaluation of sleep disturbances in Parkinson's disease
GONG Yan, HONG Yu, MAO Cheng-jie, HU Wei-dong, XIONG Kang-ping, SHEN Yun, LIU Chun-feng
Chinese Journal of Contemporary Neurology and Neurosurgery . 2013, (8): 704 -711 .  DOI: 10.3969/j.issn.1672-6731.2013.08.011