Effect of fluoroscopically guided caudal epidural steroid or local anesthetic injections in the treatment of lumbar disc herniation and radiculitis: a randomized, controlled, double blind trial with a two-year follow-up
Pain Physician (2012) - Comments
pubmed: 22828681  issn: 2150-1149 

Laxmaiah Manchikanti, Vijay Singh, Kimberly A Cash, Vidyasagar Pampati, Kim S Damron, Mark V Boswell