@misc{indiciaefc62a04bf397,
  title = {Endogenous opiates: 1985.},
  author = {G A Olson and R D Olson and A J Kastin},
  doi = {10.1016/0196-9781(86)90113-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/3540912/},
  note = {Source identifier: 3540912}
}