@misc{indiciaef5213bb1fe97, title = {Guidelines for training in gallstone lithotripsy.}, author = {D L Earnest and J R Adwers and W D Carey and W J Casarella and S Katz and P M Loeb and D L Nahrwold and S M Sabesin and J C Thompson and J A Vennes}, year = {1991}, doi = {10.7326/0003-4819-114-11-977}, url = {https://pubmed.ncbi.nlm.nih.gov/2024866/}, note = {Source identifier: 2024866} }