@misc{indiciaed5d669480d8a,
  title = {Urea: surrogate or toxin?},
  author = {J Himmelfarb},
  year = {1999},
  doi = {10.1046/j.1523-1755.1999.00602.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/10432418/},
  note = {Source identifier: 10432418}
}