Anti-Tumor Necrosis Factor Antagonists in the Treatment of Low Back Pain and Radiculopathy: A Systematic Review and Meta-analysis - Pimentel, Daniel C.; El Abd, Omar; Benyamin, Ramsin M.; Buehler, Anna M.; Leite, Victor F.; Mazloomdoost, Danesh; Chen, Janini; Hsing, Wu Tu; Amadera, Joao E. D. (Pain physician, 2014)