@misc{indiciae9cfa88cc10ba,
  title = {Clostridium difficile, sulphasalazine, and ulcerative colitis.},
  author = {D A Burke and A T Axon},
  year = {1987},
  doi = {10.1136/pgmj.63.745.955},
  url = {https://pubmed.ncbi.nlm.nih.gov/2897683/},
  note = {Source identifier: 2897683}
}