title: Letter: Methylphenidate-induced tics.
mesh_terms: D006801:Humans; D006948:Hyperkinesis / Q000188:drug therapy; D008774:Methylphenidate / Q000009:adverse effects* / Q000627:therapeutic use; D013981:Tic Disorders / Q000139:chemically induced*
chemical_list: D008774:Methylphenidate