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Vorperian, Houri K., Shubing Wang, Moo K. Chung, E. Michael Schimek, Reid B. Durtschi, Ray D. Kent, Andrew J. Ziegert, a Lindell R. Gentry. Anatomic Development of the Oral and Pharyngeal Portions of the Vocal Tract: An Imaging Study. Acoustical Society of America, 2009.

Vorperian, Houri K., et al. Anatomic Development of the Oral and Pharyngeal Portions of the Vocal Tract: An Imaging Study. Acoustical Society of America, 2009.