Antigen absorption by the jejunal epithelium of children with cow's milk allergy

To establish if intestinal permeability to exogenous antigens is involved in cow's milk allergy (CMA) in infants, 33 children 1 to 24 months old (18 controls and 15 with CMA) were tested for intestinal permeability to the protein marker horseradish peroxidase (HRP). Jejunal biopsies were perfor...

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