Ayed, A.; Kallidonis, P.; Tatanis, V.; Peteinaris, A.; Liatsikos, E.; Natchagande, G. The Learning Curve for Robotic-Assisted Pyeloplasty in Urologists With No Prior Robotic Experience Using an <i>ex-vivo</i> Model: A Prospective, Controlled Study. Arch Ital Urol Androl 2024.