Maintenance work on the ZORA databases is scheduled for Wednesday 22 May 2019 from 20:00-22:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Knecht, Christina. Prognostic Factors for Recurrence of Low Back Pain. 2018, University of Zurich, Faculty of Medicine.
Knecht, Christina; Humphreys, Barry Kim; Wirth, Brigitte (2017). An Observational Study on Recurrences of Low Back Pain During the First 12 Months After Chiropractic Treatment. Journal of Manipulative and Physiological Therapeutics, 40(6):427-433.
Wirth, Brigitte; Knecht, Christina; Humphreys, Kim (2013). Spine Day 2012: spinal pain in Swiss school children- epidemiology and risk factors. BMC Pediatrics, 13:159.