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氨茶碱是治疗支气管哮喘等疾病的有效药物,但由于治疗范围狭窄,一般认为其有效浓度为5～20μg/ml(以茶碱计,下
Aminophylline is an effective drug for the treatment of diseases such as bronchial asthma, but due to the narrow therapeutic range, it is generally considered effective at 5-20 μg / ml