Radfar, M. H., R. Valipour, B. Narouie, M. Sotoudeh, and H. Pakmanesh. “Role of the Gonadal Vessels on the Stone Lodgment in the Proximal Ureter: Direct Observation During Laparoscopic Ureterolithotomy”. Archivio Italiano Di Urologia E Andrologia, vol. 90, no. 3, Sept. 2018, pp. 163-5, doi:10.4081/aiua.2018.3.163.