@misc{indiciae429917cb34ee,
  title = {An improved transmission oximeter using interference filters.},
  author = {C A CASTILLO and W C ZARNSTRFF and C W CRUMPTON},
  year = {1962},
  doi = {10.1016/0002-8703(62)90333-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/13877224/},
  note = {Source identifier: 13877224}
}