Prevalence of nonmotor symptoms in Parkinson's disease in an international setting; study using nonmotor symptoms questionnaire in 545 patients

Pablo Martinez-Martin, Anthony H V Schapira, Fabrizio Stocchi, Kapil Sethi, Per Odin, Graeme MacPhee, Richard G Brown, Yogini Naidu, Lisa Clayton, Kazuo Abe, Yoshio Tsuboi, Dough MacMahon, Paolo Barone, Martin Rabey, Ubaldo Bonuccelli, Alison Forbes, Kieran Breen, Susanne Tluk, C Warren Olanow, Sue ThomasDavid Rye, Annette Hand, Adrian J Williams, William Ondo, K Ray ChaudhuriShow 5 moreShow less