Birkenmaier, C., Komp, M., Leu, H. F., Wegener, B., & Ruetten, S. (2014). The current state of endoscopic disc surgery: review of controlled studies comparing full-endoscopic procedures for disc herniations to standard procedures. ORTHOPAEDICS TRAUMATOLOGY and PROSTHETICS, (2), 41–50. https://doi.org/10.15674/0030-59872014241-50