TY  - RPRT
TI  - Obtaining contrast-free bile during ERCP.
AU  - S P Misra
AU  - M Dwivedi
PY  - 1997
DO  - 10.1016/s0016-5107(97)70319-5
UR  - https://pubmed.ncbi.nlm.nih.gov/9013187/
ID  - 9013187
ER  -