@misc{indiciae27f65a4e8106,
  title = {Factor in human CSF with apparent morphine-antagonistic properties.},
  author = {A Wahlström and L Terenius},
  year = {1980},
  doi = {10.1111/j.1748-1716.1980.tb06690.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/7234446/},
  note = {Source identifier: 7234446}
}