Stem cell injections for axial back pain: A systematic review of associated risks and complications with a case illustration of diffuse hyperplastic gliosis resulting in cauda equina syndrome

Salah G. Aoun, Valery Peinado Reyes, Tarek Y. El Ahmadieh, Matthew Davies, Ankur R. Patel, Vin Shen Ban, Aaron Plitt, Najib E. El Tecle, Jessica R. Moreno, Jack Raisanen, Carlos A. Bagley