title: Did levodopa vs. dopamine agonist trials teach us when and how to start symptomatic therapy?
authors.affiliation: Department of Neurology, Columbia University Medical Center, New York, USA.
authors.forename: Cheryl
authors.initials: C
authors.lastname: Waters
mesh_terms: D000978:Antiparkinson Agents / Q000627:therapeutic use*; D018491:Dopamine Agonists / Q000627:therapeutic use*; D006801:Humans; D007980:Levodopa / Q000627:therapeutic use*; D010300:Parkinson Disease / Q000188:drug therapy*
chemical_list: D000978:Antiparkinson Agents; D018491:Dopamine Agonists; D007980:Levodopa