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Continue to ChatClinical study of the accuracy of observing CBD remnant stones by injection of saline through ENBD under US guidance https://www.sages.org/meetings/annual-meeting/abstracts-archive/clinical-study-of-the-accuracy-of-observing-common-bile-duct-remnant-stones-by-injection-of-saline-through-enbd-under-the-guidance-of-ultrasound/