@misc{indiciae29eda6b0c2bf,
  title = {Spin-state-dependent hemoprotein ultraviolet-absorption bands.},
  author = {A S Brill and H E Sandberg},
  year = {1967},
  doi = {10.1073/pnas.57.1.136},
  url = {https://pubmed.ncbi.nlm.nih.gov/16591442/},
  note = {Source identifier: 16591442}
}