title: Density of mucous glands in various chronic middle ear diseases.
mesh_terms: D001706:Biopsy; D002908:Chronic Disease; D004427:Ear Diseases / Q000473:pathology*; D004432:Ear, Middle / Q000473:pathology*; D006801:Humans; D009092:Mucous Membrane / Q000378:metabolism / Q000473:pathology*; D010033:Otitis Media / Q000473:pathology; D010040:Otosclerosis / Q000473:pathology; D013194:Staining and Labeling