XUE, H.; YAO, Y.; WANG, X.; ZHANG, F.; JIANG, X.; LIU, J.; WANG, H.; LI, Y.; WANG, X.; LI, H.; ZHANG, J. Interleukin-21 Is Associated with the Pathogenesis of Lumbar Disc Herniation. Iranian Journal of Allergy, Asthma and Immunology, v. 14, n. 5, p. 509-518, 20 out. 2015.