1. Pendleton, W. R., and West, F. E. (1932),Amer. J. Physiol. 101, 391.
2. Twiss, E. E., and Kolff, W. J. (1951),JAMA 146, 1019.
3. Yatzidis, H. (1964),Nephron 1, 310.
4. Denti, E., Luboz, M. P., Tessore, V. A., Castino, F., and Gaglia, P. F. (1975),Kidney Int. 7, S-401.
5. Zeig, S. and Friedman, E. A. (1980), inSorbents and Their Clinical Applications, Giordano, C., ed., Academic Press, New York, pp. 275–294.