Letter to the Editor concerning "Minimally invasive surgery procedure in isthmic spondylolisthesis" by F.C. Tamburrelli et al. (Eur Spine J; 2018: doi:10.1007/s00586-018-5627-8)
1 Department of Orthopedics, Physical Medicine and Rehabilitation, University of Munich, Grosshadern Campus, Marchioninistr. 15, 81377, Munich, Germany. doctor-b@web.de.