EXCERPTS 312.804 Excerpts from United States Renal Data System 1999 Annual Data Report / [National Institutes of Health etc.]. - Philadelphia : W.B. Saunders Co. a Division of Harcourt Brace and Co., 1999. - [4], 176 s. : wykr. ; 28 cm. - (AJKD American Journal of Kidney Diseases, ISSN 0272-6386 ; vol.34,no.2,suppl.1) Bibliogr. przy art