TY - GEN AU - KAUFMAN,J J TI - Unusual causes of extrinsic ureteral obstruction. II SN - 0022-5347 PY - 1998///1101 KW - Disease KW - Neoplasms KW - Retroperitoneal Neoplasms KW - Retroperitoneal Space KW - Ureter KW - Ureteral Diseases KW - Ureteral Obstruction N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/S0022-5347(17)64958-9 ER -