WCN25-2867 In Vitro Response of UT-7 Cell Line to Erythropoietin-Resistant and Erythropoietin-Responsive Serum from Hemodialysis Patients in Addington & King Edward VIII Hospitals, KwaZulu Natal- South Africa - Sherilene Cheryl Benjamin; Alain GH. Assounga (Kidney International Reports)