title: Late-stage Parkinson's disease in the Lisbon-Barcelona cohorts: past phenomenology and today's clinical needs.
authors.forename: S G
authors.initials: SG
authors.lastname: Echebarria
mesh_terms: D002986:Clinical Trials as Topic; D015331:Cohort Studies; D006801:Humans; D007980:Levodopa / Q000627:therapeutic use; D010300:Parkinson Disease / Q000188:drug therapy*; D011174:Portugal; D013030:Spain
chemical_list: D007980:Levodopa