- Matrix metalloproteinase-9 activity in the cerebrospinal fluid and serum of dogs with acute spinal cord trauma from intervertebral disk disease. Levine, J.M., Ruaux, C.G., Bergman, R.L., Coates, J.R., Steiner, J.M., Williams, D.A. Am. J. Vet. Res. (2006)









