@misc{indiciae399f1f4677b0, title = {Ongoing 'threats' to biliary surgery.}, author = {A M Cooperman and J Siegel and H Hammerman and R Neff}, year = {1989}, doi = {10.1001/archsurg.1989.01410120014003}, url = {https://pubmed.ncbi.nlm.nih.gov/2589958/}, note = {Source identifier: 2589958} }