title: Immediate-release and controlled-release carbidopa/levodopa in PD: A 5-year randomized multicenter study.
authors.forename: G
authors.initials: G
authors.lastname: Van Horn
authors.forename: M C
authors.initials: MC
authors.lastname: Schiess
mesh_terms: D000978:Antiparkinson Agents / Q000008:administration & dosage*; D002230:Carbidopa / Q000008:administration & dosage*; D003692:Delayed-Action Preparations / Q000008:administration & dosage*; D006801:Humans; D007980:Levodopa / Q000008:administration & dosage*; D015337:Multicenter Studies as Topic / Q000379:methods*; D010300:Parkinson Disease / Q000188:drug therapy*; D016032:Randomized Controlled Trials as Topic / Q000379:methods*
chemical_list: D000978:Antiparkinson Agents; D003692:Delayed-Action Preparations; D007980:Levodopa; D002230:Carbidopa