@misc{indiciae770aa33db56b,
  title = {Heroin epidemics.},
  author = {D X Freedman and E C Senay},
  year = {1973},
  doi = {10.1001/jama.1973.03220100049015},
  url = {https://pubmed.ncbi.nlm.nih.gov/4739378/},
  note = {Source identifier: 4739378}
}