@misc{indiciaeb663f8082353,
  title = {Calcium antagonists and left ventricular function.},
  author = {J T Heywood},
  year = {1991},
  doi = {10.1016/0002-9149(91)90224-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/1951104/},
  note = {Source identifier: 1951104}
}