Infant tympanometry and myringotomy.
D000158:Acoustic Impedance Tests / Q000295:instrumentation*; D000367:Age Factors; D002675:Child, Preschool; D004427:Ear Diseases / Q000175:diagnosis / Q000628:therapy; D004432:Ear, Middle; D006801:Humans; D007223:Infant; D014432:Tympanic Membrane / Q000601:surgery*