Contemporary Nephrology : Springer : 9781461567240 : 1461567246 : 12 Oct 2012 : Volume 2 of Contnnporary Xephrology updates the major developments which ha\'e occurred during the past 2 years in 15 major areas of both basic and clinical nephrology. In addition, this volume has a section, Chapter 8, \uitten by Drs. Pederson, Llach, and Papper, from the Med­ ical School at the Universitv of Oklahoma, which reviews the recent developments on nonilwasive diagnostic techniques in nephrology. The other chapters are presented in such a way as to emphasize the major advances that have occurred in the different areas in the last 2 years. In Chapter 1, Dr. Schafer analyzes in detail the new information available regarding the action of aldosterone both in anuran membranes and in the mammalian kidney. Drs. Knox and Romero, in Chapter 2, update the information accrued du ring the last 2 years in the area of renal hemodynamics and sodium chloride excretion. In the area of renal me­ tabolism (Chapte