1. Adams RD, Victor M. The major categories of neurologic disease: special spinal syndromes. In: Principles of Neurology, 2nd edn. New York: McGraw-Hill, 1981;639-641.
2. Abnormal magnetic resonance scans of the lumbar spine in asymptomatic subjects;Boden;J Bone Jt Surg [Am],1990
3. The cost-effectiveness of diagnosing and treating patients with acute low back pain suspected of having a herniated disk (abstr);Dasbach;Med Decis Mak,1992
4. Diagnostic imaging procedures for the lumbar spine;Deyo;Ann Intern Med,1989
5. Herniated lumbar intervertebral disk;Deyo;Ann Intern Med,1990