@misc{indiciaeec57deec46e0,
  title = {Enzyme electrode for urea with amperometric indication: Part I--Basic principle.},
  author = {D Kirstein and L Kirstein and F Scheller},
  year = {1985},
  doi = {10.1016/0265-928x(85)85007-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/3842795/},
  note = {Source identifier: 3842795}
}