@misc{indiciae735bcf288a1b,
  title = {Comparative study on various methods of finger plethysmography.},
  author = {M Matsumura},
  year = {1968},
  doi = {10.1620/tjem.94.337},
  url = {https://pubmed.ncbi.nlm.nih.gov/5671797/},
  note = {Source identifier: 5671797}
}