title: Very long-standing Parkinson's disease.
authors.affiliation: Department of Neurology, Fundación Jimenez Diaz, Madrid, Spain.
authors.forename: Pedro J
authors.initials: PJ
authors.lastname: Garcia-Ruiz
authors.forename: Javier
authors.initials: J
authors.lastname: del Val
authors.forename: Antonio
authors.initials: A
authors.lastname: Herranz
mesh_terms: D017668:Age of Onset; D000368:Aged; D000369:Aged, 80 and over; D018450:Disease Progression; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000150:complications* / Q000503:physiopathology*; D013997:Time Factors