Assertion: benzodiazepine's effectiveness | /r/HasProperty | demonstrated in placebo-controlled trial
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text: The effectiveness of oral olanzapine, 10 mg/day to 20 mg/day, in maintaining treatment response in schizophrenic patients who had been stable on Zyprexa for approximately 8 weeks and were then followed for relapse has been demonstrated in a placebo-controlled trial [see Clinical Studies (14.1)].