title: Acoustic compliance of middle ear: a preliminary study.
mesh_terms: D000158:Acoustic Impedance Tests; D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003187:Compliance; D004432:Ear, Middle / Q000502:physiology*; D006801:Humans; D008875:Middle Aged