@misc{indiciae0e07db478c25,
  title = {Superficial and deep cervical plexus block: technical considerations.},
  author = {R D Masters and E J Castresana and M R Castresana},
  year = {1995},
  url = {https://pubmed.ncbi.nlm.nih.gov/7631578/},
  note = {Source identifier: 7631578}
}