Methods: According to the defined daily dose ( DDD ) recommended by WHO, the daily drug cost and DDDs were analyzed.

方法: 根据WHO推荐的限定日剂量,以用药频度 ( DDDs) 、 日用金额等为指标统计、分析我院催眠药物的应用情况.

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Defined daily dose ( DDD ) and drug utilization index ( DUI ) for an indication of rational drug use.

用限定日剂量 ( DDD ) 和药物利用指数 ( DUI ) 为指标,分析其使用情况.

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