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Zhu J, Zhong M, Yan J, Jiang X, Wu Z, Pan Y, Shen B, Zhang L, Dong J, Zhang L. Nonmotor Symptoms Affect Sleep Quality in Early-Stage Parkinson's Disease Patients With or Without Cognitive Dysfunction. Front. Neurol. 2020 Apr 21;11(). doi: 10.3389/fneur.2020.00292. |