Roentgenological localization of ureteral obstruction by non radio-opaque or indistinguishable calculi.
GILL
G
G
LIGHT
W
W
D002137:Calculi; D006801:Humans; D010829:Physiological Phenomena; D014513:Ureter; D014517:Ureteral Obstruction; D053039:Ureterolithiasis
URETERS/calculi