@misc{indiciae2008caf6652b,
  title = {An interactive computer program for measurement of data obtained using the extra-stimulus technique during electrode-catheter studies.},
  author = {W M Smith and E L Pritchett and R W Campbell and J J Gallagher},
  year = {1977},
  doi = {10.1016/0010-4809(77)90015-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/340119/},
  note = {Source identifier: 340119}
}