@misc{indiciae210c5d4c8739, title = {Biliary endoscopy.}, author = {Nina Phatak and Michael L Kochman}, year = {2004}, doi = {10.1097/00001574-200405000-00014}, url = {https://pubmed.ncbi.nlm.nih.gov/15703654/}, note = {Source identifier: 15703654} }