title: Gastrointestinal disorders in Parkinson's disease.
authors.forename: V B
authors.initials: VB
authors.lastname: Nieuwenhuijs
authors.forename: B R
authors.initials: BR
authors.lastname: Bloem
mesh_terms: D005767:Gastrointestinal Diseases / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D010300:Parkinson Disease / Q000150:complications*