@misc{indiciae45564711d0fb,
  title = {Attitudinal issues in methadone maintenance programs.},
  author = {E M Heiman},
  year = {1979},
  doi = {10.3109/10826087909054576},
  url = {https://pubmed.ncbi.nlm.nih.gov/468423/},
  note = {Source identifier: 468423}
}