Excerpts from United States Renal Data System 1999 annual data report : National Institutes of Health, National Institute of Diabetes and Digestive and Kidney Diseases Division of Kidney, Urologic, and Hematologic Diseases, Bethesda, MD, April 1999 Vol. 34 No. 2, Suppl. 1 1999/National Kidney Foundation. Philadelphia : Saunders, 1999. 176 s.   [1, z toho voľných 0, prezenčne 1]