@misc{indiciaee294a4429ba7,
  title = {Inflammatory bowel disease: one condition or two?},
  author = {S Shivananda and M L Hordijk and A S Peña and J F Mayberry},
  year = {1987},
  doi = {10.1159/000199589},
  url = {https://pubmed.ncbi.nlm.nih.gov/3443227/},
  note = {Source identifier: 3443227}
}