Kim, B. W. (2015) “Effects of Previous or Synchronous Non-Muscle Invasive Bladder Cancer on Clinical Results after Radical Nephroureterectomy for Upper Tract Urothelial Carcinoma: A Multi-Institutional Study”, Urology Journal, 12(4), pp. 2233–2239. doi: 10.22037/uj.v12i4.2831.