title: Repetition, repetition, and repetition: compulsive and punding behaviors in Parkinson's disease.
authors.forename: Valerie
authors.initials: V
authors.lastname: Voon
mesh_terms: D006801:Humans; D009771:Obsessive-Compulsive Disorder / Q000453:epidemiology*; D010300:Parkinson Disease / Q000453:epidemiology*; D010507:Periodicity; D015995:Prevalence