@misc{indiciaea6d0d58705f1,
  title = {Letter: Propranolol.},
  author = {E M Mendizabal and M W Steinbock and J D Sapira},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4811812/},
  note = {Source identifier: 4811812}
}