Comment

Kane JM Lieberman JA Adverse effects of psychotropic drugs. New York: Guilford Press, 1992.

Kendell R. Diagnosis and classification of functional psychoses. British Medical Bulletin 1987; 43:499–513.

Johnstone EC Crow TJ Frith CD Owens DG The Northwick Park ‘functional’ psychosis study: diagnosis and treatment response. Lancet 1988; 2:119–126.

Tollefson GD Beasley CM Tran PV Olanzapine vs. haloperidol in the treatment of schizophrenia and schizoaffective and schizophreniform disorders: results of an international collaborative trial. American Journal of Psychiatry 1997; 154:457–465.

Ayd FJ Lexicon of psychiatry, neurology and the neurosciences. Baltimore: Williams and Wilkins, 1995:446–447.

Kane J Honigfeld G Singer J Meltzer H the Clozaril Collaborative Study Group Clozapine for the treatment-resistant schizophrenic: a double-blind comparison vs. chlorpromazine/benztropine. Archives of General Psychiatry 1988; 45:789–796.

Marder SR Meibach RC Risperidone in the treatment of schizophrenia. American Journal of Psychiatry 1994; 151:825–835.

Kane JM Woerner M Safferman A Pollack S Lieberman J. Does clozapine cause tardive dyskinesia? Journal of Clinical Psychiatry 1993; 54:327–330.

Tollefson GD Beasley CM Tamura RN Tran PV Potvin JH Blind, controlled, long-term study of the comparative incidence of treatment-emergent tardive dyskinesia with olanzapine or haloperidol. American Journal of Psychiatry 1997; 154:1248–1254.