title: Low frequency of bipolar disorder, dopamine dysregulation syndrome, and punding in Brazilian patients with Parkinson's disease.
authors.affiliation: Neuropsychiatric Branch, Department of Internal Medicine, School of Medicine, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil. r2kummer@hotmail.com
authors.forename: Arthur
authors.initials: A
authors.lastname: Kummer
authors.forename: Fernando M V
authors.initials: FM
authors.lastname: Dias
authors.forename: Francisco
authors.initials: F
authors.lastname: Cardoso
authors.forename: Antonio L
authors.initials: AL
authors.lastname: Teixeira