Cohen, Steven P., Bogduk, Nikolai, Dragovich, Anthony, Buckenmaier III, Chester C., Griffith, Scott, Kurihara, Connie, Raymond, Jolynne, Richter, Philip J., Williams, Necia, Yaksh, Tony L.. Lippincott Williams & Wilkins; 2009. Randomized, double-blind, placebo-controlled, dose-response, and preclinical safety study of transforaminal epidural etanercept for the treatment of sciatica.