@misc{indiciae655dd3c857a7,
  title = {Measuring heroin use in methadone maintenance programmes.},
  author = {K Howard and J Bell and M J Christie},
  year = {1995},
  doi = {10.1080/09595239500185031},
  url = {https://pubmed.ncbi.nlm.nih.gov/16203293/},
  note = {Source identifier: 16203293}
}