1. Treatment of Lumbar Disc Herniation: Epidural Steroid Injection Compared with Discectomy by Glenn R. Buttermann J Bone Joint Surg Am Volume 86(4):670-679 April 1, 2004 ©2004 by The Journal of Bone and Joint Surgery, Inc.

2. The rates of neurological motor deficits before treatment (Pre-Tx) and at the various follow-up intervals. Glenn R. Buttermann J Bone Joint Surg Am 2004;86:670- 679 ©2004 by The Journal of Bone and Joint Surgery, Inc.

3. The scores for severity of back pain, as measured on a visual analog scale (VAS), before treatment (Pre-Tx) and at the various follow-up intervals. Glenn R. Buttermann J Bone Joint Surg Am 2004;86:670- 679 ©2004 by The Journal of Bone and Joint Surgery, Inc.

4. The scores for severity of lower-extremity pain, as measured on a visual analog scale (VAS), before treatment (Pre-Tx) and at the various follow-up intervals. Glenn R. Buttermann J Bone Joint Surg Am 2004;86:670- 679 ©2004 by The Journal of Bone and Joint Surgery, Inc.

5. The scores for severity of back and lower-extremity pain, as measured on a visual analog scale (VAS), and the degree of disability, according to the Oswestry Disability Scale, before treatment (Pre-Tx) and at the early follow-up interval for patients who ha... Glenn R. Buttermann J Bone Joint Surg Am 2004;86:670- 679 ©2004 by The Journal of Bone and Joint Surgery, Inc.

6. The scores for the size of the painful area as indicated on the pain drawing before treatment (Pre-Tx) and at the various follow-up intervals. Glenn R. Buttermann J Bone Joint Surg Am 2004;86:670- 679 ©2004 by The Journal of Bone and Joint Surgery, Inc.

7. The degree of disability, according to the Oswestry Disability Scale, before treatment (Pre-Tx) and at the various follow-up intervals. Glenn R. Buttermann J Bone Joint Surg Am 2004;86:670- 679 ©2004 by The Journal of Bone and Joint Surgery, Inc.