(untitled) - Rasmussen-Barr, E; Held, U
Fear-avoidance beliefs-a moderator of treatment efficacy inpatients with low backpain: a systematic review. Spine J 2014;14:2658-2678. 10.1016/j.spinee.2014.02.033: http://www.ncbi.nlm.nih.gov/pubmed/24614254