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Photomicrographs showing different reactions among mucosa layer in stomach sections in different groups (PAS stain). (A and D) control negative group and stem cell treated group showing strong reaction among surface mucous and neck cells (arrows). (B) Ulcer model group showing erosions of the surface epithelial cells and faint PAS reaction (arrows). (C) Pantoloc® treated group showing moderate PAS reaction (arrows). Magnification 400×.
