英语语法分析

Objective To investigate therapeutic effect of Euthyrox combined with thyrine on early onset hypothyroidism patients due to use of 131I therapy.

目的探讨优甲乐联合甲状腺素片替代治疗甲亢患者131碘治疗后早发甲减的疗效及对永久性甲减的控制效果。