title: The precision and accuracy of questionnaires for clinical assessment.
authors.forename: H J
authors.initials: HJ
authors.lastname: Verhaar
authors.forename: J
authors.initials: J
authors.lastname: Raymakers
mesh_terms: D006801:Humans; D010300:Parkinson Disease / Q000503:physiopathology*; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires / Q000592:standards*