title: Use of NTrap® during Ureteroscopic Lithotripsy for Upper Ureteral Stones.
authors.affiliation: Department of Urology, National Police Hospital, Seoul, Korea.
authors.forename: Moung Jin
authors.initials: MJ
authors.lastname: Lee
authors.forename: Seung Tae
authors.initials: ST
authors.lastname: Lee
authors.forename: Seung Ki
authors.initials: SK
authors.lastname: Min
keywords: Ureteral calculi; Ureteroscopy