Greven, A. C. M., Rich, C. W., Malcolm, J. G., Bray, D. P., Rodts, G. E., Refai, D., & Gary, M. F. (2020). Letter: Neurosurgical Management of Spinal Pathology Via Telemedicine During the COVID-19 Pandemic: Early Experience and Unique Challenges. Neurosurgery.

Greven, Alexander C M., Christopher W. Rich, James G. Malcolm, David P. Bray, Gerald E. Rodts, Daniel Refai, và Matthew F. Gary. "Letter: Neurosurgical Management of Spinal Pathology Via Telemedicine During the COVID-19 Pandemic: Early Experience and Unique Challenges." Neurosurgery 2020.

Greven, Alexander C M., et al. "Letter: Neurosurgical Management of Spinal Pathology Via Telemedicine During the COVID-19 Pandemic: Early Experience and Unique Challenges." Neurosurgery 2020.