title: Letter: Immunoglobulin E in rectal mucosa of patients with proctitis.
mesh_terms: D000921:Antibody-Producing Cells; D006801:Humans; D007073:Immunoglobulin E / Q000302:isolation & purification*; D007413:Intestinal Mucosa / Q000276:immunology* / Q000473:pathology; D011349:Proctitis / Q000276:immunology* / Q000473:pathology; D012007:Rectum / Q000276:immunology*
chemical_list: D007073:Immunoglobulin E