Conventional dose, 3 times the dose kelp suppression and destruction of most of the thyroid follicular epithelial cells, while a small number of follicular hyperplasia, Prunella minor injury.

• 常规剂量、3倍剂量昆布抑制和破坏大部分甲状腺滤泡上皮细胞，同时使小部分滤泡增生，夏枯草损伤较轻微。