@misc{indiciaeb88f30a898a5,
  title = {Pyloric-sphincter dysfunction and gastric ulcer.},
  year = {1973},
  doi = {10.1056/nejm197305102881916},
  url = {https://pubmed.ncbi.nlm.nih.gov/4696243/},
  note = {Source identifier: 4696243}
}