@misc{indiciae7c9ecf1081d3,
  title = {Dextroamphetamine-morphine analgesia.},
  year = {1977},
  doi = {10.1056/nejm197707142970218},
  url = {https://pubmed.ncbi.nlm.nih.gov/325410/},
  note = {Source identifier: 325410}
}