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Immunohistochemistry of Human Gastrointestinal Epithelial Cells. Anti‐OLFM4 clone #49 was used as primary antibody. The sections were counterstained with haematoxylin. (A and B) Colon. (C and D) Duodenum. Bars represent 50 μm (A, C) or 20 μm (B, D).
