@misc{indiciaeb12eca9cd4d1,
  title = {New extraction procedure and high-performance liquid chromatographic method for analyzing polyethylene glycol-400 in urine.},
  author = {H A Schwertner and W R Patterson and J H Cissik and K W Wilson},
  year = {1992},
  doi = {10.1016/0378-4347(92)80429-t},
  url = {https://pubmed.ncbi.nlm.nih.gov/1400810/},
  note = {Source identifier: 1400810}
}