@misc{indiciaea9f0c694f1c4,
  title = {Endogenous opiates: 1994.},
  author = {G A Olson and R D Olson and A J Kastin},
  year = {1995},
  doi = {10.1016/0196-9781(95)02063-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/8745067/},
  note = {Source identifier: 8745067}
}