@misc{indiciaec3a37991c60a,
  title = {[Papillosphincterotomy. Indications and results].},
  author = {D Del Valle and S Zinny and M A Figueroa},
  year = {1965},
  url = {https://pubmed.ncbi.nlm.nih.gov/5834621/},
  note = {Source identifier: 5834621}
}