scientific article
author: Margareta Nordin, Scott Haldeman, Sheilah Hogg-Johnson, Gabrielle van der Velde, Jaime Guzman, Pierre Côté, Maurits W van Tulder, Linda Carroll, Eric L Hurwitz, Eugene J. Carragee, Paul M. Peloso, David B. Cassidy, Lena W Holm
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