title: Correlation of tubal function and volume of mastoid and middle ear space as related to otitis media.
mesh_terms: D002908:Chronic Disease; D004432:Ear, Middle / Q000033:anatomy & histology* / Q000293:injuries; D005064:Eustachian Tube / Q000503:physiopathology*; D006801:Humans; D008722:Methods; D010033:Otitis Media / Q000503:physiopathology*