Thyroid dysfunction occurs when the gland either fails to produce enough hormones or produces them in excess.

甲状腺机能障碍的产生是由于甲状腺激素分泌过少或过多。

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Thyroid dysfunction occurs when the gland either fails to produce enough hormones or produces them in excess.

甲状腺机能障碍的产生是由于甲状腺激素分泌过少或过多。

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