@misc{indiciaed578404b5ba9,
  title = {Recurrent ulcer.},
  author = {E Amdrup},
  year = {1981},
  doi = {10.1002/bjs.1800681004},
  url = {https://pubmed.ncbi.nlm.nih.gov/7025954/},
  note = {Source identifier: 7025954}
}