@misc{indiciae7efb42816e8a,
  title = {A practical approach to determine cutoff concentrations for opiate testing with simultaneous detection of codeine, morphine, and 6-acetylmorphine in urine.},
  author = {B D Paul and E T Shimomura and M L Smith},
  year = {1999},
  url = {https://pubmed.ncbi.nlm.nih.gov/10102911/},
  note = {Source identifier: 10102911}
}