@misc{indiciae259d7b9fd2c0, title = {Laparoscopic cholecystectomy: evaluation with sonography.}, author = {E H Kang and W D Middleton and D M Balfe and N J Soper}, year = {1991}, doi = {10.1148/radiology.181.2.1833786}, url = {https://pubmed.ncbi.nlm.nih.gov/1833786/}, note = {Source identifier: 1833786} }