@misc{indiciae775208a9dbaf,
  title = {Urine testing schedules in methadone maintenance.},
  author = {H D Kleber and L C Gould},
  year = {1971},
  doi = {10.1001/jama.1971.03180260057029},
  url = {https://pubmed.ncbi.nlm.nih.gov/5108230/},
  note = {Source identifier: 5108230}
}