title: [Physiology and physiopathology of middle ear ventilation. I. Middle ear volume and its gas content. Physiology of the eustachian tube].
mesh_terms: D000388:Air; D004432:Ear, Middle / Q000502:physiology*; D005064:Eustachian Tube / Q000502:physiology*; D005740:Gases; D006801:Humans; D010313:Partial Pressure; D013719:Tensor Tympani / Q000502:physiology; D014432:Tympanic Membrane / Q000502:physiology
chemical_list: D005740:Gases
vernacular_title: Physiologie und Pathophysiologie der Mittelohrventilation. I. Die Mittelohrräume und ihr Gasgehalt. Die Physiologie der Tube.