@misc{indiciae9de7a47def90,
  title = {Refractory peptic ulcer.},
  author = {J B KIRSNER and E LEVIN and W L PALMER},
  year = {1952},
  url = {https://pubmed.ncbi.nlm.nih.gov/14958079/},
  note = {Source identifier: 14958079}
}