1. A foreign body in the esophagus detected and located by the röntgen rays Author(s): White, J. William (James William), 1850-1916, author Publication: Philadelphia, Pa. : University of Pennsylvania Press, [1896] Subject(s): Foreign Bodies -- diagnostic imagingForeign Bodies -- surgeryRadiographyChildEsophagus -- diagnostic imaging
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