The Clinical Practice of Nephrology.

eases (primary glomerular diseases, systemic glomerulopathies, tubulointerstitial diseases, renal vascular diseases), and the management ofnephrotic disorders. The material is organized in ways that make it more accessible. For example, the instructions for the creatinine clearance test, the short acid load procedure, and the dehydration and vasopressin-stimulation procedure are provided in convenient tables. Similarly, essential information about the causes of idiopathic and secondary nephrotic syndrome is neatly outlined in concise tabular format. Various primary glomerulopathies are easy to differentiate by the use of consecutive figures with explanations, and the introduction of the "TPN prescription" is a helpful guide in writing orders for total parenteral nutrition in renal failure. On several occasions poignant warn¬ ings are issued. The diagnosing physi¬ cian is advised that normal-appearing values may be misleading in the special setting of geriatric nephrology. The au¬ thors explain that a "normal" serum