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- cochrane database of systematic reviews12
- british journal of sports medicine10
- plos one8
- bmc musculoskeletal disorders5
- european spine journal5
- european spine journal : official publication of the european spine society, the european spinal deformity society, and the european section of the cervical spine research society4
- the cochrane database of systematic reviews4
- journal of clinical epidemiology3
- bmc medical research methodology2