Methods: 68 cases of children with RRTI were treated by Injection of Astragali as the musculi dorsi reactant and 51 cases by levamisole as control.

• 方法:68例RRTI患儿采用背肌反应物注射黄芪注射液治疗,并与左旋咪唑治疗51例进行疗效对比观察。