title: Chronic tubal dysfunction. Pathology and immunology in relation to the Eustachian tube and middle ear.
mesh_terms: D003165:Complement System Proteins / Q000276:immunology; D005064:Eustachian Tube / Q000473:pathology*; D006801:Humans; D007136:Immunoglobulins / Q000378:metabolism; D008214:Lymphocytes / Q000276:immunology; D009113:Muramidase / Q000276:immunology; D010033:Otitis Media / Q000201:enzymology / Q000276:immunology* / Q000473:pathology*; D011453:Prostaglandins / Q000276:immunology
chemical_list: D007136:Immunoglobulins; D011453:Prostaglandins; D003165:Complement System Proteins; D009113:Muramidase