Which of the following involves radiologic examination of the renal pelvis and ureter after injection of a contrast medium into the renal pelvis and is an alternative to intravenous urography?
A. Intravenous urography
B. Retrograde urography
C. Transurethral radiography
D. Suprapubic radiography
A. Intravenous urography
B. Retrograde urography
C. Transurethral radiography
D. Suprapubic radiography