title: L-Dopa therapy in Parkinson's disease.
mesh_terms: D000547:Amantadine / Q000627:therapeutic use; D004295:Dihydroxyphenylalanine / Q000627:therapeutic use*; D006634:Histamine H1 Antagonists / Q000627:therapeutic use; D006801:Humans; D010276:Parasympatholytics / Q000627:therapeutic use; D010300:Parkinson Disease / Q000188:drug therapy*
chemical_list: D006634:Histamine H1 Antagonists; D010276:Parasympatholytics; D004295:Dihydroxyphenylalanine; D000547:Amantadine