@misc{indiciaebabe95204fb1,
  title = {Cardio-selective beta-blockade.},
  author = {A M Barrett and A F Crowther and D Dunlop and R G Shanks and L H Smith},
  year = {1968},
  doi = {10.1007/bf00537746},
  url = {https://pubmed.ncbi.nlm.nih.gov/4232648/},
  note = {Source identifier: 4232648}
}