A cross-sectional study of affective, psychiatric, cognitive disorders and motor complications of Parkinson's disease
JIANG Qian-wen, ZHA Sheng-yu, WANG Gang
Chinese Journal of Contemporary Neurology and Neurosurgery . 2015, (6): 471 -474 .  DOI: 10.3969/j.issn.1672-6731.2015.06.010