Preston, J. L., McAllister, T., Phillips, E., Boyce, S., Tiede, M., Kim, J. S., & Whalen, D. H. (2019). Remediating Residual Rhotic Errors With Traditional and Ultrasound-Enhanced Treatment: A Single-Case Experimental Study. Am J Speech Lang Pathol.

Preston, Jonathan L., Tara McAllister, Emily Phillips, Suzanne Boyce, Mark Tiede, Jackie Sihyun Kim, and Douglas H. Whalen. "Remediating Residual Rhotic Errors With Traditional and Ultrasound-Enhanced Treatment: A Single-Case Experimental Study." Am J Speech Lang Pathol 2019.

Preston, Jonathan L., et al. "Remediating Residual Rhotic Errors With Traditional and Ultrasound-Enhanced Treatment: A Single-Case Experimental Study." Am J Speech Lang Pathol 2019.