@misc{indiciaed3c34439d6e8,
  title = {Ulcerative colitis; a challenge.},
  author = {J B KIRSNER},
  year = {1958},
  doi = {10.1001/archinte.1958.00260130017002},
  url = {https://pubmed.ncbi.nlm.nih.gov/13486962/},
  note = {Source identifier: 13486962}
}