@misc{indiciaefbf73126a728,
  title = {A comparison of beta-blocking agents.},
  author = {R E Goldstein},
  year = {1973},
  doi = {10.1161/01.cir.47.3.443},
  url = {https://pubmed.ncbi.nlm.nih.gov/4144218/},
  note = {Source identifier: 4144218}
}