**Residual Renal Function in Hemodialysis Patients**

Zachary Z. Brener1, Stephan Thijssen2, Peter Kotanko2, James F. Winchester1 and Michael Bergman3 *1Beth Israel Medical Center, New York; 2Renal Research Institute, New York 3Rabin Medical Center – Campus Golda, Tel-Aviv University 1,2USA 3Israel* 
