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Ulex europaeus agglutinin (UEA) staining. (a) Patient C4 (non-CD), score 0; (b) Patient A1 (CD + T1D, untreated), score 3; (c) Patient A1 (CD + T1D, on GFD), score 2; (d) Patient B5 (CD), score 3. Thin arrows mark staining of cytoplasm of epithelial cells. Thick arrows mark staining of glycocalyx. Arrowheads mark staining in goblet cells.
