RT Journal Article SR Electronic T1 Comment on: Surgical and oncological outcome after laparoscopic versus open nephroureterectomy for non-metastatic, upper-tract urothelial carcinoma JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 550 OP 551 DO 10.15537/smj.2020.5.25074 VO 41 IS 5 A1 Alothman, Khalid I. YR 2020 UL http://smj.org.sa/content/41/5/550.abstract AB