@misc{indiciae5321bc0f5581,
  title = {Letter: Anesthesia and propranolol.},
  author = {C J Kopriva},
  year = {1974},
  doi = {10.1056/nejm197405232902124},
  url = {https://pubmed.ncbi.nlm.nih.gov/4824022/},
  note = {Source identifier: 4824022}
}