1. Black, D.A.K. A perspective on uremic toxins. Arch. Intern. Med.
126: 906, 1970.
2. Simenhoff, H.L., and J.J. Saukkonen, J.F. Burke, et al. Bacterial populations of the small intestine in uremia. Nephron
22: 460, 1978.
3. Osborne, C.A., D.G. Low and D.R. Finco. Extrarenal manifestations of uremia. In: Canine and Feline Urology, Philadelphia, W.B. Saunders, 1972.
4. Bovée, K.C. (ed.) Canine Nephrology; New York, Harwal Publishing Co., 1984, p. 555.
5. Massry, S.G. Pathogenesis of the anemia of uremia. Role of secondary hyperparathyroidism. Kidney Int. 26th Suppl. 16: S204, 1983.