
Keywords: CCK; cholecystokinin; CGRP; calcitonin gene-related peptide; DAB; diaminobenzidine; DCLK1; doublecortin-like kinase 1; HTX; hematoxylin; IL; interleukin; IR; immunoreactive; GI; gastrointestinal; GLP-1; glucagon like peptide-1; LI; large intestine; PBS-T;