title: [Physiopathologic aspects of the upper respiratory tract: nose, paranasal sinuses, Eustachian tube].
mesh_terms: D005064:Eustachian Tube / Q000503:physiopathology*; D006801:Humans
vernacular_title: Pathophysiologische Aspekte der oberen Luftwege: Nase, Nasennebenhöhlen, Ohrtrompete.