@misc{indiciae7309e37add99,
  title = {Digitalis as an antianginal agent.},
  author = {P R Harding and W S Aronow and J Eisenman},
  year = {1973},
  doi = {10.1378/chest.64.4.439},
  url = {https://pubmed.ncbi.nlm.nih.gov/4200640/},
  note = {Source identifier: 4200640}
}