Diagnostic work-up of bile duct strictures: European Society of Gastrointestinal Endoscopy (ESGE) Guideline.

Facciorusso A, Crinò SF, Gkolfakis P, Spadaccini M, Arvanitakis M, Beyna T, Bronswijk M, Dhar J, Ellrichmann M, Gincul R, Hritz I, Kylänpää L, Martinez-Moreno B, Pezzullo M, Rimbaş M, Samanta J, van Wanrooij RLJ, Webster G, Triantafyllou K