DOI:
10.1055/s-00000012
Endoscopy
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References
Lee TH, Hwang SO, Choi HJ et al.
Sequential algorithm analysis to facilitate selective biliary access for difficult biliary cannulation in ERCP: a prospective clinical study.Feb.
BMC Gastroenterol 2014;
DOI: 10.1186/1471–230X-14-30.
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