@misc{indiciae4397fcde5626,
  title = {Endogenous opioid poisoning?},
  author = {I E Symons and P C Emson and J V Farman},
  year = {1982},
  doi = {10.1136/bmj.284.6314.469-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/6800497/},
  note = {Source identifier: 6800497}
}