@misc{indiciae5f2b85a5d2ff,
  title = {Endogenous opiates: 2000.},
  author = {A L Vaccarino and A J Kastin},
  year = {2001},
  doi = {10.1016/s0196-9781(01)00566-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/11786209/},
  note = {Source identifier: 11786209}
}