title: Clinical assessment of nocturnal disability in Parkinson's disease: the Parkinson's Disease Sleep Scale.
authors.affiliation: Regional Movement Disorders Unit, King's College Hospital, University Hospital Lewisham, Guy's, King's & St Thomas' School of Biomedical Medicine, King's College, London, United Kingdom. Ray.chaudhuri@uhl.nhs.uk
authors.forename: K Ray
authors.initials: KR
authors.lastname: Chaudhuri
authors.forename: Pablo
authors.initials: P
authors.lastname: Martinez-Martin
mesh_terms: D000368:Aged; D003430:Cross-Sectional Studies; D018450:Disease Progression; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000150:complications* / Q000523:psychology; D012720:Severity of Illness Index; D020919:Sleep Disorders, Intrinsic / Q000145:classification / Q000209:etiology*