@misc{indiciaede27de23d763,
  title = {Cervical sympathetic block.},
  author = {J H Kronman},
  year = {1979},
  doi = {10.1016/0030-4220(79)90028-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/291857/},
  note = {Source identifier: 291857}
}