Serum thyroid stimulating hormone (TSH) concentrations are a sensitive indicator of thyroid function.

促甲状腺激素（TSH）水平降低是判断甲状腺功能损害的早期指标。

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Serum thyroid stimulating hormone (TSH) concentrations are a sensitive indicator of thyroid function.

促甲状腺激素（TSH）水平降低是判断甲状腺功能损害的早期指标。

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