@misc{indiciaef5eea8adf26a,
  title = {Substance abuse--a suitable case for testing?},
  author = {C Roythorne},
  year = {1989},
  doi = {10.1093/occmed/39.3.111},
  url = {https://pubmed.ncbi.nlm.nih.gov/2586093/},
  note = {Source identifier: 2586093}
}