Animal models of chronic pain: scientific and ethical issues

Kenneth L Casey¹, Ronald Dubner

• ¹Department of Neurology, University of Michigan, Ann Arbor, MI 48105 U.S.A. Department of Physiology, University of Michigan, Ann Arbor, MI48105 U.S.A. Neurology Research Laboratories, Veterans Administration Medical Center, Ann Arbor, MI 48105 U.S.A. Neurobiology and Anesthesiology Branch, National Institute of Dental Research, National Institutes of Health, Bethesda, MD 20892 U.S.A.