@misc{indiciaefef5ca421b88,
  title = {[The transduodenal sphincterotomy].},
  author = {U M Walz},
  year = {1968},
  doi = {10.1007/bf01444957},
  url = {https://pubmed.ncbi.nlm.nih.gov/5706568/},
  note = {Source identifier: 5706568}
}