@misc{indiciaec745a83b60d7,
  title = {Endogenous opioids and social behavior.},
  author = {J Panksepp and B H Herman and T Vilberg and P Bishop and F G DeEskinazi},
  year = {1980},
  doi = {10.1016/0149-7634(80)90036-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/6258111/},
  note = {Source identifier: 6258111}
}