@misc{indiciae1aa50bc95bea,
  title = {Gastric ulcer.},
  author = {S F MARSHALL},
  year = {1959},
  doi = {10.1080/00325481.1959.11712493},
  url = {https://pubmed.ncbi.nlm.nih.gov/13667735/},
  note = {Source identifier: 13667735}
}