TY  - RPRT
TI  - Difficult bile duct stones.
AU  - Lee McHenry
AU  - Glen Lehman
PY  - 2006
DO  - 10.1007/s11938-006-0031-6
UR  - https://pubmed.ncbi.nlm.nih.gov/16539873/
ID  - 16539873
ER  -