Pennington, Z., Lubelski, D., Khalafallah, A. M., Ehresman, J., Sciubba, D. M., Witham, T. F., & Huang, J. (2020). Letter to the Editor “Changes to Neurosurgery Resident Education Since Onset of the COVID-19 Pandemic”. World Neurosurg.

Pennington, Zach, Daniel Lubelski, Adham M. Khalafallah, Jeff Ehresman, Daniel M. Sciubba, Timothy F. Witham, und Judy Huang. "Letter to the Editor “Changes to Neurosurgery Resident Education Since Onset of the COVID-19 Pandemic”." World Neurosurg 2020.

Pennington, Zach, et al. "Letter to the Editor “Changes to Neurosurgery Resident Education Since Onset of the COVID-19 Pandemic”." World Neurosurg 2020.