title: Desirable properties for instruments assessing quality of life: evidence from the PDQ-39.
authors.forename: R
authors.initials: R
authors.lastname: Fitzpatrick
authors.forename: C
authors.initials: C
authors.lastname: Jenkinson
authors.forename: V
authors.initials: V
authors.lastname: Peto
authors.forename: N
authors.initials: N
authors.lastname: Hyman
authors.forename: R
authors.initials: R
authors.lastname: Greenhall
mesh_terms: D006801:Humans; D010300:Parkinson Disease / Q000628:therapy*; D011379:Prognosis; D011788:Quality of Life; D011795:Surveys and Questionnaires