@misc{indiciaedd40ddd5d7e8,
  title = {Gastric ulcer.},
  author = {S F MARSHALL and A JENSEN and C M DAVIDSON},
  year = {1961},
  doi = {10.1016/0002-9610(61)90225-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/13767241/},
  note = {Source identifier: 13767241}
}