Lee, K. C. L., Lipscomb, V. J., Lamb, C. R., Gregory, S. P., Guitian, J., & Brockman, D. J. Association of portovenographic findings with outcome in dogs receiving surgical treatment for single congenital portosystemic shunts: 45 cases (2000-2004). JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION, 229(7), 1122-1129. https://doi.org/10.2460/javma.229.7.1122