Shahvari, M B Speaking tracheostomy tube modified for swallowing dysfunction and chronic aspiration. [electronic resource] - Anesthesiology Apr 1977 - 290-1 p. digital Publication Type: Journal Article ISSN: 0003-3022 Standard No.: 10.1097/00000542-197704000-00010 doi Subjects--Topical Terms: Deglutition Disorders--therapyHumansTracheotomy--instrumentation