A rapid assay for catechol oxidase and lactase using 2-nitro-5-thiobenzoic acid.

@article{Esterbauer1977ARA,
  title={A rapid assay for catechol oxidase and lactase using 2-nitro-5-thiobenzoic acid.},
  author={Harald Esterbauer and E Schwarzl and M Hayn},
  journal={Analytical biochemistry},
  year={1977},
  volume={77 2},
  pages={486-94}
}