@misc{indiciae9c2c5549af57,
  title = {Analytical methods for measuring urea in pharmaceutical formulations.},
  author = {M T Knorst and R Neubert and W Wohlrab},
  year = {1997},
  doi = {10.1016/s0731-7085(96)01978-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/9260657/},
  note = {Source identifier: 9260657}
}