AU - Cohen SP, Gupta A, Strassels SA, et al TI - Effect of mri on treatment results or decision making in patients with lumbosacral radiculopathy referred for epidural steroid injections: A multicenter, randomized controlled trial PT - JOUR DP - 2012 TA - Archives of Internal Medicine pages = {134-142}, VI - 172 IP - 2 AID - 10.1001/archinternmed.2011.593 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2011.593 SO - Archives of Internal Medicine January 23, 2012 172(2):134