The article you requested is

Movement Disorders and Psychotic Symptoms Treated With Pyridoxine: A Case Report

J Clin Psychiatry 1998;59(11):623-624 [letter]

Sir: Neuroleptic-induced tardive dyskinesia continues to be a serious problem in the psychopharmacology of mental disorder. The prevalence of tardive dyskinesia is approximately 24% among patients who are treated with neuroleptics for more than 1 year. The annual incidence in younger adults is 4% to 5%.