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.
Wertli, Maria M; Held, Ulrike; Lis, Angela; Campello, Marco; Weiser, Sherri (2018). Both positive and negative beliefs are important in patients with spine pain: findings from the Occupational and Industrial Orthopaedic Center registry. The Spine Journal, 18(8):1463-1474.