%0 Journal Article %T Role of digital single-operator cholangioscopy in the diagnosis and treatment of biliary disorders %A Irina Boeva %A Ivan Tishkov %A Petko Karagyozov %J Archive of "World Journal of Gastrointestinal Endoscopy". %D 2019 %R 10.4253/wjge.v11.i1.31 %K Per-oral cholangioscopy %K Digital single-operator cholangioscopy %K Difficult stones %K Indeterminate strictures %K Endoscopic retrograde cholangiopancreatography %K Biliary interventions %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6354115/