Intraoperative ultrasonography versus cholangiography during laparoscopic cholecystectomy: a prospective comparative study.

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@article{Ohtani1997IntraoperativeUV, title={Intraoperative ultrasonography versus cholangiography during laparoscopic cholecystectomy: a prospective comparative study.}, author={Tomohito Ohtani and Chuuichi Kawai and Yoshio Shirai and Kotaro Kawakami and K Yoshida and Katsuyoshi Hatakeyama}, journal={Journal of the American College of Surgeons}, year={1997}, volume={185 3}, pages={274-82} }