@article{ellman1959,
  title={Tissue sulfhydryl groups},
  author={George L. Ellman},
  year={1959},
  journal={Archives of Biochemistry and Biophysics},
  doi={10.1016/0003-9861(59)90090-6},
  url={https://doi.org/10.1016/0003-9861(59)90090-6}
}