@misc{indiciaeda583fd3d788,
  title = {A nitroxide-maleimide spin label.},
  author = {O H Griffith and H M McConnell},
  year = {1966},
  doi = {10.1073/pnas.55.1.8},
  url = {https://pubmed.ncbi.nlm.nih.gov/16578629/},
  note = {Source identifier: 16578629}
}