TY  - RPRT
TI  - Biliary reflux demonstrating an impacted ampullary stone.
AU  - B Hennigan
AU  - R L Eisenberg
AU  - M Ruth
PY  - 1983
DO  - 10.1097/00007611-198302000-00036
UR  - https://pubmed.ncbi.nlm.nih.gov/6823610/
ID  - 6823610
ER  -