LEVIN NATHAN W. 312,804 PROCEEDINGS Proceedings from improving patient outcomes with higher hematocrit levels / ed. by Nathan W. Levin. -[Philadelphia] s W.B. Saunders Co. A Division of Harcourt Brace and Co., 1995. - [6], 17 s. wykr. , 27 cm (American Journal of Kidney Diseases, ISSN 0272-6386 ; vol. 25, suppl. 1)