@misc{indiciaec9296f5e65c6,
  title = {Amphetamine-induced analgesia does not involve brain opioids.},
  author = {F Drago and G Caccamo and G Continella and U Scapagnini},
  year = {1984},
  doi = {10.1016/0014-2999(84)90168-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/6468501/},
  note = {Source identifier: 6468501}
}