@misc{indiciaeb92ad3043ec7,
  title = {Nerve blocks and chronic pain states--an update. 1. Basic considerations.},
  author = {S F Brena},
  year = {1985},
  doi = {10.1080/00325481.1985.11699139},
  url = {https://pubmed.ncbi.nlm.nih.gov/4034455/},
  note = {Source identifier: 4034455}
}