Schwartz, D M Acoustic impedance and otoscopic findings in young children with Down's syndrome. [electronic resource] - Archives of otolaryngology (Chicago, Ill. : 1960) Nov 1978 - 652-6 p. digital Publication Type: Journal Article ISSN: 0003-9977 Standard No.: 10.1001/archotol.1978.00790110042011 doi Subjects--Topical Terms: Acoustic Impedance TestsChildChild, PreschoolDown Syndrome--complicationsEar Canal--pathologyHumansInfantInfant, NewbornOtitis Media--complicationsTympanic Membrane--pathology