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- [4] Prospective evaluation of a minimally invasive approach for treatment of bile-duct calculi in the high-risk patient SURGICAL ENDOSCOPY-ULTRASOUND AND INTERVENTIONAL TECHNIQUES, 1997, 11 (06): : 632 - 635
- [5] Prospective evaluation of a minimally invasive approach for treatment of bile-duct calculi in the high-risk patient Surgical Endoscopy, 1997, 11 : 632 - 635