Gautschi Oliver P, Stienen Martin N, Smoll Nicolas R, Corniola Marco V, Schaller Karl
Department of Neurosurgery, University Clinic Geneva, Rue Gabrielle-Perret-Gentil 4, 1211 Genève 14, Switzerland.
Department of Neurosurgery, Kantonsspital St Gallen, Rorschacher Strasse 95, 9007 St Gallen, Switzerland.
Spine J. 2014 Oct 1;14(10):2522-3. doi: 10.1016/j.spinee.2014.06.014.