title: Nonmotor symptoms are independently associated with impaired health-related quality of life in Chinese patients with Parkinson's disease.
authors.affiliation: Department of Nursing, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, People's Republic of China.
authors.forename: Huijuan
authors.initials: H
authors.lastname: Li
authors.forename: Meifen
authors.initials: M
authors.lastname: Zhang
authors.forename: Ling
authors.initials: L
authors.lastname: Chen
authors.forename: June
authors.initials: J
authors.lastname: Zhang
authors.forename: Zhong
authors.initials: Z
authors.lastname: Pei
authors.forename: Ailing
authors.initials: A
authors.lastname: Hu
authors.forename: Qing
authors.initials: Q
authors.lastname: Wang