@misc{indiciae29d63e551cd2,
  title = {Letter: Propranolol.},
  author = {J Kram and H R Bourne and K L Melmon and H Maibach},
  year = {1974},
  doi = {10.7326/0003-4819-80-2-282},
  url = {https://pubmed.ncbi.nlm.nih.gov/4811811/},
  note = {Source identifier: 4811811}
}