title: [Immunohistochemical observation on macrophage in nasopharyngeal carcinoma tissues].
mesh_terms: D000328:Adult; D006651:Histocytochemistry; D006801:Humans; D007124:Immunoenzyme Techniques; D008264:Macrophages / Q000473:pathology*; D008875:Middle Aged; D009113:Muramidase / Q000378:metabolism; D009303:Nasopharyngeal Neoplasms / Q000201:enzymology / Q000473:pathology*
chemical_list: D009113:Muramidase