Method: 116 patients of elderly brain organic mental disorders were randomly assigned to two groups to receive risperidone and perphenazine respectively for 6 weeks.
方法：对116例老年器质性精神障碍患者随机分为两组，分别服用利培酮或奋乃静。
Method: 116 patients of elderly brain organic mental disorders were randomly assigned to two groups to receive risperidone and perphenazine respectively for 6 weeks.
方法：对116例老年器质性精神障碍患者随机分为两组，分别服用利培酮或奋乃静。
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