[Parkinson disease. Value of COMT inhibitors is verified].
D000978:Antiparkinson Agents / Q000627:therapeutic use*; D002396:Catechols / Q000627:therapeutic use*; D004311:Double-Blind Method; D006801:Humans; D015337:Multicenter Studies as Topic; D009570:Nitriles; D010300:Parkinson Disease / Q000188:drug therapy*; D016032:Randomized Controlled Trials as Topic
D000978:Antiparkinson Agents; D002396:Catechols; D009570:Nitriles; C071192:entacapone