@misc{indiciae047e193192f8,
  title = {A light-energy powered pulsometer.},
  author = {E LEASK and D C SIMPSON},
  year = {1959},
  doi = {10.1111/j.1365-2044.1959.tb02462.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/14414963/},
  note = {Source identifier: 14414963}
}