title: [Immunohistochemical study of complements and complement receptor (CR1) in chronic sinusitis].
mesh_terms: D002908:Chronic Disease; D003165:Complement System Proteins / Q000032:analysis*; D005455:Fluorescent Antibody Technique; D006651:Histocytochemistry; D006801:Humans; D007124:Immunoenzyme Techniques; D008443:Maxillary Sinus / Q000276:immunology; D009092:Mucous Membrane / Q000276:immunology; D011951:Receptors, Complement / Q000032:analysis*; D012852:Sinusitis / Q000276:immunology*
chemical_list: D011951:Receptors, Complement; D003165:Complement System Proteins