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	1.	Oral endoscopic comparison of velopharyngeal closure before and after pharyngeal flap surgery. [electronic resource] by Zwitman, D H Producer: 19820420 In: The Cleft palate journal vol. 19 Availability: No items available. Save to lists Add to cart (remove)
	2.	Velopharyngeal physiology after pharyngeal flap surgery as assessed by oral endoscopy. [electronic resource] by Zwitman, D H Producer: 19820420 In: The Cleft palate journal vol. 19 Availability: No items available. Save to lists Add to cart (remove)
	3.	Bilateral cord dysfunctions: abductor type spastic dysphonia. [electronic resource] by Zwitman, D H Producer: 19791121 In: The Journal of speech and hearing disorders vol. 44 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	The design of a wireless-controlled intra-oral electrolarynx. [electronic resource] by Knorr, S G Zwitman, D H Producer: 19781018 In: Journal of bioengineering vol. 1 Availability: No items available. Save to lists Add to cart (remove)
	5.	Phonation using the tracheo-esophageal shunt after total laryngectomy. [electronic resource] by Zwitman, D H Calcaterra, T C Producer: 19731005 In: The Journal of speech and hearing disorders vol. 38 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Experimental modification of the Western Electric No. 5 electrolarynx to a mouth-type instrument. [electronic resource] by Zwitman, D H Disinger, R S Producer: 19750707 In: The Journal of speech and hearing disorders vol. 40 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	A syntax program designed to present base linguistic structures to language-disordered children. [electronic resource] by Zwitman, D H Sonderman, J C Producer: 19791024 In: Journal of communication disorders vol. 12 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	A case against teflon injection to lower vocal pitch. [electronic resource] by Zwitman, D H Calcaterra, T C Producer: 19770331 In: The Journal of speech and hearing disorders vol. 40 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	9.	The "silent cough" method for vocal hyperfunction. [electronic resource] by Zwitman, D H Calcaterra, T C Producer: 19730619 In: The Journal of speech and hearing disorders vol. 38 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	10.	Vocal rehabilitation after partial or total laryngectomy. [electronic resource] by Calcaterra, T C Zwitman, D H Producer: 19721005 In: California medicine vol. 117 Availability: No items available. Save to lists Add to cart (remove)
	11.	The submentovertical projection in the radiographic analysis of velopharyngeal dynamics. [electronic resource] by Zwitman, D H Gyepes, M T Sample, F Producer: 19740119 In: The Journal of speech and hearing disorders vol. 38 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	12.	Development and testing of an intraoral electrolarynx for laryngectomy patients. [electronic resource] by Zwitman, D H Knorr, S G Sonderman, J C Producer: 19780828 In: The Journal of speech and hearing disorders vol. 43 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	13.	Variations in velopharyngeal closure assessed by endoscopy. [electronic resource] by Zwitman, D H Sonderman, J C Ward, P H Producer: 19741217 In: The Journal of speech and hearing disorders vol. 39 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	14.	Assessment of velar and lateral wall movement by oral telescope and radiographic examination in patients with velopharyngeal inadequacy and in normal subjects. [electronic resource] by Zwitman, D H Gyepes, M T Ward, P H Producer: 19761002 In: The Journal of speech and hearing disorders vol. 41 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)