el-FaqihSR, ShamsuddinAB, ChakrabartiAet al.Polyurethane internal ureteral stents in treatment of stone patients: Morbidity related to indwelling times. J Urol, 1991; 146:1487–1491.
2.
KawaharaT, ItoH, TeraoHet al.Ureteral stent encrustation, incrustation, and coloring: Morbidity related to indwelling times. J Endourol, 2012; 26:178–182.