TY  - RPRT
TI  - Choledochoscopy. A cost-minimization analysis.
AU  - D M Nagorney
AU  - J L Lohmuller
PY  - 1990
DO  - 10.1097/00000658-199003000-00007
UR  - https://pubmed.ncbi.nlm.nih.gov/2106842/
ID  - 2106842
ER  -