1. An operation for valvular stricture of the ureter Author(s): Fenger, Christian, 1840-1902 Publication: Philadelphia : Lea Bothers & Co., [1896?] Subject(s): Ureter -- surgeryConstriction, Pathologic -- surgeryUreteral Obstruction -- surgeryUreteral Calculi -- surgery
2. Ureteral calculus accurately located by the X-rays and removed by an extraperitoneal operation Author(s): Keen, William W. (William Williams), 1837-1932 author Publication: [Chicago?] : [publisher not identified], [1901?] Subject(s): Ureteral Calculi -- diagnostic imagingUreteral Calculi -- surgeryRadiographyChild
