Knowlton, R., Marsack, J. D., Leach, N. E., Herring, R. J., & Anderson, H. A. (2015). Comparison of Whole Eye vs. First-Surface Astigmatism in Down Syndrome. Optom Vis Sci.

Knowlton, Rachel, Jason D. Marsack, Norman E. Leach, Ralph J. Herring, and Heather A. Anderson. "Comparison of Whole Eye Vs. First-Surface Astigmatism in Down Syndrome." Optom Vis Sci 2015.

Knowlton, Rachel, et al. "Comparison of Whole Eye Vs. First-Surface Astigmatism in Down Syndrome." Optom Vis Sci 2015.