Birkenmaier, C., Komp, M., Leu, H.F., Wegener, B. and 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 (Jun. 2014), 41–50. DOI:https://doi.org/10.15674/0030-59872014241-50.