title: Vitamins and entacapone in levodopa-induced hyperhomocysteinemia: a randomized controlled study.
authors: Alessandro
authors: A
authors: Di Rocco
authors: Peter
authors: P
authors: Werner
mesh_terms: D000978:Antiparkinson Agents / Q000009:adverse effects*; D002244:Carbon / Q000378:metabolism; D065098:Catechol O-Methyltransferase Inhibitors; D002396:Catechols / Q000627:therapeutic use*; D005492:Folic Acid / Q000627:therapeutic use*; D006801:Humans; D020138:Hyperhomocysteinemia / Q000097:blood / Q000139:chemically induced* / Q000188:drug therapy; D007980:Levodopa / Q000009:adverse effects*; D009570:Nitriles / Q000627:therapeutic use*; D010300:Parkinson Disease / Q000097:blood / Q000188:drug therapy; D016032:Randomized Controlled Trials as Topic / Q000706:statistics & numerical data; D012436:S-Adenosylmethionine / Q000097:blood; D013997:Time Factors; D014805:Vitamin B 12 / Q000627:therapeutic use*; D025101:Vitamin B 6 / Q000502:physiology
chemical_list: D000978:Antiparkinson Agents; D065098:Catechol O-Methyltransferase Inhibitors; D002396:Catechols; D009570:Nitriles; D007980:Levodopa; C071192:entacapone; D002244:Carbon; D012436:S-Adenosylmethionine; D025101:Vitamin B 6; D005492:Folic Acid; D014805:Vitamin B 12