@misc{indiciaeea6385d24075,
  title = {Colonic perforation in ulcerative colitis.},
  author = {M Ahmad and M Nandi and P Bannerjee and K M Singh},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/903628/},
  note = {Source identifier: 903628}
}