Maintenance work on the ZORA database servers is scheduled for Thursday 25th July 2019 from 19:00-20:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Stienen, Martin N; Bartek, Jiri; Czabanka, Marcus A; Freyschlag, Christian F; Kolias, Angelos; Krieg, Sandro M; Moojen, Wouter; Renovanz, Mirjam; Sampron, Nicolas; Adib, Sasan D; Schubert, Gerrit A; Demetriades, Andreas K; Ringel, Florian; Regli, Luca; Schaller, Karl; Meling, Torstein R (2019). Neurosurgical procedures performed during residency in Europe—preliminary numbers and time trends. Acta Neurochirurgica, 161(5):843-853.