title: Postural instability in Parkinson's disease - 120 years after Charcot's death.
abstract: The authors present the original Charcot's description of postural instability in Parkinson's disease as well as the evolution of this sign after 120 years of Charcot's death.
authors.affiliation: Unidade de Distúrbios do Movimento, Serviço de Neurologia, Hospital de Clínicas, Universidade Federal do Paraná, Curitiba, PR, Brazil.
authors.forename: Hélio Afonso Ghizoni
authors.initials: HA
authors.lastname: Teive
authors.affiliation: Movement Disorders Centre, Toronto Western Hospital, Toronto University, Toronto, ON, Canada.
authors.forename: Renato Puppi
authors.initials: RP
authors.lastname: Munhoz
mesh_terms: D049672:History, 19th Century; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D010300:Parkinson Disease / Q000266:history*