Comparative Efficacy and Toxicity of Different Species of Sargassum in Haizao Yuhu Decoction in PTU-Induced Goiter Rats

Figure 4

Histology of thyroid gland (H-E staining 400x). (a) Normal control. (b) Goiter model. (c) Goiter rats treated with Euthyrox. (d) Goiter rats treated with HYDf. (e) Goiter rats treated with HYDp.

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