Methods:53 children with RRTI were observeed by Ig and T cell subset assay,31 healthy children were controls.

 
  • 方法:選擇符合診斷標準的RRTI患兒53例為觀(guān)察組,健康兒童31例為對照組,測定血清免疫球蛋白和T細胞亞群,并行t檢驗。
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