title: Abrupt versus gradual withdrawal of antiparkinsonians.
mesh_terms: D000978:Antiparkinson Agents / Q000009:adverse effects* / Q000627:therapeutic use; D014150:Antipsychotic Agents / Q000627:therapeutic use; D004359:Drug Therapy, Combination; D006801:Humans; D012559:Schizophrenia / Q000188:drug therapy*; D013375:Substance Withdrawal Syndrome / Q000517:prevention & control*
chemical_list: D000978:Antiparkinson Agents; D014150:Antipsychotic Agents