@misc{indiciae13fb6abab1b8,
  title = {A specific enzyme electrode for urea.},
  author = {G G Guilbault and M Tarp},
  year = {1974},
  doi = {10.1016/s0003-2670(01)85472-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/4440871/},
  note = {Source identifier: 4440871}
}