@misc{indiciae0aad4996172c, title = {Gall bladder lithotripsy.}, author = {A Darzi and E el-Sayed and F B Keane}, year = {1989}, doi = {10.1136/bmj.299.6714.1527-b}, url = {https://pubmed.ncbi.nlm.nih.gov/2514878/}, note = {Source identifier: 2514878} }