Shepard, M. J., Padmanaban, V., Edwards, N. A., Chittiboina, P., Ray-Chaudhury, A., & Heiss, J. D. (2017). Discovery of Aquaporin-1 and Aquaporin-4 Expression in an Intramedullary Spinal Cord Ependymal Cyst: Case Report. World Neurosurg.

Shepard, Matthew J., Varun Padmanaban, Nancy A. Edwards, Prashant Chittiboina, Abhik Ray-Chaudhury, und John D. Heiss. "Discovery of Aquaporin-1 and Aquaporin-4 Expression in an Intramedullary Spinal Cord Ependymal Cyst: Case Report." World Neurosurg 2017.

Shepard, Matthew J., et al. "Discovery of Aquaporin-1 and Aquaporin-4 Expression in an Intramedullary Spinal Cord Ependymal Cyst: Case Report." World Neurosurg 2017.