METHODS: To make a survey of the usage for above mentioned drugs in 136 hospitals of 6 cities in drainage area of the Yangtse River of China during 1998-2000,especially the sum for drugs, main company etc.

• 方法:调查长江流域6城市136家医院1998-2000年抗病毒药物用药金额、生产公司等,分析临床应用情况。