@misc{indiciae51d30d5f7828, title = {Choledochoscopy. A cost-minimization analysis.}, author = {D M Nagorney and J L Lohmuller}, year = {1990}, doi = {10.1097/00000658-199003000-00007}, url = {https://pubmed.ncbi.nlm.nih.gov/2106842/}, note = {Source identifier: 2106842} }