TY  - RPRT
TI  - Biliary endoscopy.
AU  - Michelle C Beilstein
AU  - Michael L Kochman
PY  - 2003
DO  - 10.1097/00001574-200305000-00013
UR  - https://pubmed.ncbi.nlm.nih.gov/15703570/
ID  - 15703570
ER  -