TY - GEN AU - Albala,D M TI - How to approach the problematic ureteral stone SN - 1042-2250 PY - 1993///0422 KW - Contraindications KW - Endoscopes KW - Endoscopy KW - methods KW - Humans KW - Lithotripsy KW - Treatment Outcome KW - Ureteral Calculi KW - diagnosis N1 - Publication Type: Journal Article ER -