Immunologic and allergic aspects regarding the interrelationship of the middle ear and ethmoid effusions: a clinical and morphological studies.
D005005:Ethmoid Sinus; D006801:Humans; D009092:Mucous Membrane / Q000276:immunology / Q000473:pathology; D010034:Otitis Media with Effusion / Q000276:immunology* / Q000473:pathology; D012852:Sinusitis / Q000276:immunology* / Q000473:pathology