@misc{indiciaeb6e7ad1a4a26,
  title = {A SIMPLE VERSATILE PULSE DUPLICATOR.},
  author = {C G DURAN and A J GUNNING and T MCMILLAN},
  year = {1964},
  doi = {10.1136/thx.19.6.503},
  url = {https://pubmed.ncbi.nlm.nih.gov/14238387/},
  note = {Source identifier: 14238387}
}