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2. Reoperative pyeloplasty experience with 22 cases;Floyd;J. Urol.,1990
3. Endopyelotomy;Karlin;Urol. Clin. North Am.,1988
4. Ureteronephroscopic vs. antegrade endopyelotomy for treatment of ureteropelvic junction obstruction;Meretyk;J. Endourol.,1990