@misc{indiciae516173380539,
  title = {Nucleotide sequence of Clostridium difficile toxin A.},
  author = {M Sauerborn and C von Eichel-Streiber},
  year = {1990},
  doi = {10.1093/nar/18.6.1629},
  url = {https://pubmed.ncbi.nlm.nih.gov/2109310/},
  note = {Source identifier: 2109310}
}