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. 2022 Jun 23;37(2):138–144. doi: 10.4274/MMJ.galenos.2022.46383

Figure 5.

Figure 5

(a) Gastric mucosa, submucosa, and muscular layer. (H&Ex4) (b) Nuclear positive reactivity in the respiratory epithelium with TTF-1 immunohistochemistry (TTF-1×20).

TTF-1: Thyroid transcription factor-1