academic article

• Long-term neurocognitive effects of olanzapine or low-dose haloperidol in first-episode psychosis..  Biological psychiatry.  59:97-105. 2006
• Comparative effect of atypical and conventional antipsychotic drugs on neurocognition in first-episode psychosis: a randomized, double-blind trial of olanzapine versus low doses of haloperidol..  The American journal of psychiatry.  161:985-995. 2004