@misc{indiciaede72c69af8d9,
  title = {Refractory duodenal ulcer.},
  author = {K D Bardhan},
  year = {1984},
  doi = {10.1136/gut.25.7.711},
  url = {https://pubmed.ncbi.nlm.nih.gov/6428982/},
  note = {Source identifier: 6428982}
}