title: [Immunohistochemical study on IgG 4 positive cells in rectal mucosa of ulcerative colitis].
mesh_terms: D003093:Colitis, Ulcerative / Q000276:immunology* / Q000473:pathology; D006801:Humans; D007074:Immunoglobulin G / Q000276:immunology*; D007413:Intestinal Mucosa / Q000276:immunology*; D012007:Rectum / Q000276:immunology*
chemical_list: D007074:Immunoglobulin G