Fig. 3From: Obscure gastrointestinal bleeding caused by congenital enteropathy in a Chinese young child-a case reportSLCO2A1 immunostaining. The duodenal tissue obtained by endoscopic biopsy from both of the patient (A × 100) and control (C × 100) were positive. CD31 immunostaining indicated the vascular endothelial cells of the capillary vessels in the mucosa of patient (B × 100) and control(D × 100)Back to article page