题目内容：
治疗呆小症应在出生后何时开始补充甲状腺激素才能奏效?
A.3个月以内
B.6个月以内
C.8个月以内
D.10个月以内
E.12个月以内
参考答案：【答案仅供学习，请勿对照自行用药等】
选择题：治疗呆小症应在出生后何时开始补充甲状腺激素才能奏效?
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