@misc{indiciae199c3df588f9,
  title = {Letter: Propranolol and digitalis.},
  author = {M O'Reilly and E Goldberg and S Chaithiraphan},
  year = {1974},
  doi = {10.1016/s0140-6736(74)92377-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4130343/},
  note = {Source identifier: 4130343}
}