Dagenais, P A Comparing tongue positioning by normal-hearing and hearing-impaired children during vowel production. [electronic resource] - Journal of speech and hearing research Feb 1992 - 35-44 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0022-4685 Standard No.: 10.1044/jshr.3501.35 doi Subjects--Topical Terms: AdolescentArticulation Disorders--physiopathologyChildChild LanguageHearing Disorders--physiopathologyHumansSpeech--physiologySpeech Production MeasurementTongue--physiologyVerbal Learning