@misc{indiciaea4745b64768e,
  title = {Letter: Propranolol.},
  author = {R H Hart},
  year = {1974},
  doi = {10.1001/jama.1974.03230280016014},
  url = {https://pubmed.ncbi.nlm.nih.gov/4406067/},
  note = {Source identifier: 4406067}
}