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氦茶碱是茶碱和乙二肢的复盐,是治疗支气管哮喘的一个主要药物,但其治疗范围狭窄,有效血药浓度为10～20μg/ml或55～110μmol/L,且多种因素影响其代谢,致使
Helium theophylline is a complex salt of theophylline and the extremities of the arm, and is a major drug for the treatment of bronchial asthma. However, its therapeutic range is narrow and the effective plasma concentration is 10-20 μg / ml or 55-110 μmol / L. And various factors Affect its metabolism, cause