title: [Positive intratympanic pressure in the morning and its etiology].
mesh_terms: D000158:Acoustic Impedance Tests; D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D002940:Circadian Rhythm; D004432:Ear, Middle / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011312:Pressure; D012890:Sleep / Q000502:physiology