title: Letter: Serum lysozyme levels in Crohn's disease.
mesh_terms: D000818:Animals; D003093:Colitis, Ulcerative / Q000175:diagnosis; D003424:Crohn Disease / Q000097:blood / Q000175:diagnosis / Q000201:enzymology*; D003937:Diagnosis, Differential; D006801:Humans; D007413:Intestinal Mucosa / Q000201:enzymology; D051379:Mice; D009113:Muramidase / Q000097:blood*
chemical_list: D009113:Muramidase