@misc{indiciae99140f65eae2,
  title = {Pseudomembranous colitis associated with ampicillin therapy.},
  author = {J P Keating and A L Frank and L L Barton and F J Tedesco},
  year = {1974},
  doi = {10.1001/archpedi.1974.02110280099014},
  url = {https://pubmed.ncbi.nlm.nih.gov/4471684/},
  note = {Source identifier: 4471684}
}