SP196EFFICACY OF RITUXIMAB IN ADULT PATIENTS WITH REFRACTORY PRIMARY FOCAL SEGMENTAL GLOMERULOSCLEROSIS. (13th June 2019) - Mirioglu, Safak; Dertsiz, Berkay; Caliskan, Yasar; Ozluk, Yasemin; Ucar, Ali Riza; Yazici, Halil; Kilicaslan, Isin; Turkmen, Aydin; Sever, Mehmet Sukru