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.
Wertli, Maria M; Held, Ulrike; Campello, Marco; Schecter Weiner, Shira (2016). Obesity is associated with more disability at presentation and after treatment in low back pain but not in neck pain: findings from the OIOC registry. BMC Musculoskeletal Disorders, 17:140.