title: Letter: Involuntary facial movements.
mesh_terms: D001590:Benztropine / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008787:Metoclopramide / Q000009:adverse effects*; D009069:Movement Disorders / Q000139:chemically induced* / Q000188:drug therapy
chemical_list: D001590:Benztropine; D008787:Metoclopramide