@misc{indiciaeeed2db6b47d3,
  title = {Analgesic blocks.},
  author = {R G Black and J J Bonica},
  year = {1973},
  doi = {10.1080/00325481.1973.11713460},
  url = {https://pubmed.ncbi.nlm.nih.gov/4701606/},
  note = {Source identifier: 4701606}
}