@misc{indiciae3bd205ba3646,
  title = {Endogenous opiates: 1979(1).},
  author = {G A Olson and R D Olson and A J Kastin and D H Coy},
  year = {1980},
  doi = {10.1016/0196-9781(80)90016-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/6272241/},
  note = {Source identifier: 6272241}
}