McCunniff, P. T., Yoo, H., Dugarte, A., Bajwa, N. S., Toy, J. O., Ahn, U. M., & Ahn, N. U. (2015). Bilateral Pars Defects at the L4 Vertebra Result in Increased Degeneration When Compared With Those at L5: An Anatomic Study. Clin Orthop Relat Res.

McCunniff, Peter T., HoJun Yoo, Anthony Dugarte, Navkirat S. Bajwa, Jason O. Toy, Uri M. Ahn, and Nicholas U. Ahn. "Bilateral Pars Defects At the L4 Vertebra Result in Increased Degeneration When Compared With Those At L5: An Anatomic Study." Clin Orthop Relat Res 2015.

McCunniff, Peter T., et al. "Bilateral Pars Defects At the L4 Vertebra Result in Increased Degeneration When Compared With Those At L5: An Anatomic Study." Clin Orthop Relat Res 2015.