TY  - RPRT
TI  - A biliary endoscopy model.
AU  - G Berci
AU  - A Cuschieri
PY  - 1987
DO  - 10.1016/0002-9610(87)90160-7
UR  - https://pubmed.ncbi.nlm.nih.gov/3592074/
ID  - 3592074
ER  -