title: Measuring motor complications in clinical trials for early Parkinson's disease.
authors.forename: C
authors.initials: C
authors.lastname: Marras
authors.forename: A E
authors.initials: AE
authors.lastname: Lang
mesh_terms: D000978:Antiparkinson Agents / Q000008:administration & dosage / Q000009:adverse effects*; D002986:Clinical Trials as Topic; D004359:Drug Therapy, Combination; D004409:Dyskinesia, Drug-Induced / Q000175:diagnosis*; D006801:Humans; D007980:Levodopa / Q000008:administration & dosage / Q000009:adverse effects*; D009460:Neurologic Examination / Q000187:drug effects* / Q000706:statistics & numerical data; D010300:Parkinson Disease / Q000188:drug therapy*; D012306:Risk
chemical_list: D000978:Antiparkinson Agents; D007980:Levodopa