title: Parkinson's disease patients cannot get their dopamine replacement: the 8-Sinemet limit.
authors.forename: Michael S
authors.initials: MS
authors.lastname: Okun
mesh_terms: D002230:Carbidopa / Q000627:therapeutic use*; D004298:Dopamine / Q000378:metabolism*; D018491:Dopamine Agonists / Q000627:therapeutic use*; D004338:Drug Combinations; D006801:Humans; D007980:Levodopa / Q000627:therapeutic use*; D010300:Parkinson Disease / Q000188:drug therapy*
chemical_list: D018491:Dopamine Agonists; D004338:Drug Combinations; C009265:carbidopa, levodopa drug combination; D007980:Levodopa; D002230:Carbidopa; D004298:Dopamine