@article{bramucci_twiddy_baine_holmes_1981, 
  title={Isolation and characterization of hypertoxinogenic (htx) mutants of Escherichia coli KL320(pCG86).}, 
  volume={32}, 
  DOI={10.1128/iai.32.3.1034-1044.1981}, 
  publisher={American Society for Microbiology}, 
  author={Bramucci, M G and Twiddy, E M and Baine, W B and Holmes, R K}, 
  year={1981}
  }