@misc{indiciaeb9dd426ad4e3,
  title = {Intrathecal beta-endorphin.},
  author = {K M Foley and C E Inturrisi},
  year = {1980},
  doi = {10.1016/s0140-6736(80)90263-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/6105462/},
  note = {Source identifier: 6105462}
}