@misc{indiciaed6ce048a9c49,
  title = {Multiple opiate receptors: emerging concepts.},
  author = {R S Zukin and S R Zukin},
  year = {1981},
  doi = {10.1016/0024-3205(81)90527-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/6120432/},
  note = {Source identifier: 6120432}
}