@misc{indiciaefb8467336dc3,
  title = {Lower esophageal ring.},
  author = {W Silber},
  year = {1984},
  doi = {10.1016/s0003-4975(10)64202-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/6497485/},
  note = {Source identifier: 6497485}
}