@misc{indiciaef23876658e7e,
  title = {Beta-adrenergic blocking drugs.},
  author = {J W Paterson},
  year = {1971},
  doi = {10.1136/bmj.2.5762.652-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/4397173/},
  note = {Source identifier: 4397173}
}