@misc{indiciaea242fe757fb1, title = {Endoscopic sphincterotomy.}, author = {J Neoptolemos}, year = {1989}, doi = {10.1016/s0140-6736(89)90984-7}, url = {https://pubmed.ncbi.nlm.nih.gov/2571885/}, note = {Source identifier: 2571885} }