@misc{indiciae893cd1133085,
  title = {An improved method for determining total urinary phenol.},
  author = {H E Spiegel and G E Opar},
  year = {1978},
  doi = {10.1016/s0021-9673(00)83945-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/681485/},
  note = {Source identifier: 681485}
}