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Mucosal duodenum sections derived from EXP samples. Images show differentiated AB reactivity (a) of goblet cells induced by Sial-AB (b) and KOH-Sial-AB (c) histochemical treatments that result in a decreasing reaction intensity. Insets in each image show the reactivity to the same histochemical treatments of CTR samples in which Sial and KOH-Sial sequential treatments do not modify the AB reactivity.
