1. Passive, one-dimensional countercurrent models do not simulate hypertonic urine formation;Wexler;Amer. J. Physiol.,1987
2. Concentration of urine in a central core model of the renal counterflow system;Stephenson;Kidney Internat.,1972
3. Some Singular Perturbation Problems in Renal Models;Kellogg,1988
4. Renal countercurrent system: Role of collecting duct convergence and pelvic urea predicted from a mathematical model;Lory;J. Math. Biol.,1983
5. Structural organization of the renal medulla: Comparative and functional aspects;Kriz;Amer. J. Physiol.,1981