@misc{indiciae504a879d28a0,
  title = {Beta-blockade in heart failure. Basic concepts and clinical results.},
  author = {M Packer},
  year = {1998},
  doi = {10.1016/s0895-7061(97)00425-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/9503103/},
  note = {Source identifier: 9503103}
}