title: Treating parkinsonism in the era of levodopa.
mesh_terms: D000547:Amantadine / Q000627:therapeutic use; D000928:Antidepressive Agents / Q000627:therapeutic use; D001007:Anxiety / Q000188:drug therapy / Q000209:etiology; D003863:Depression / Q000188:drug therapy / Q000209:etiology; D006634:Histamine H1 Antagonists / Q000627:therapeutic use; D006801:Humans; D007980:Levodopa / Q000009:adverse effects / Q000627:therapeutic use*; D009788:Occupational Therapy; D010276:Parasympatholytics / Q000627:therapeutic use; D010300:Parkinson Disease / Q000150:complications / Q000188:drug therapy* / Q000628:therapy; D026741:Physical Therapy Modalities; D011613:Psychotherapy; D014149:Tranquilizing Agents / Q000627:therapeutic use
chemical_list: D000928:Antidepressive Agents; D006634:Histamine H1 Antagonists; D010276:Parasympatholytics; D014149:Tranquilizing Agents; D007980:Levodopa; D000547:Amantadine