@misc{indiciaeaae0a841bc35,
  title = {Calcium-channel-blocking agents.},
  author = {P A Insel and H J Motulsky},
  year = {1983},
  doi = {10.1056/nejm198306023082216},
  url = {https://pubmed.ncbi.nlm.nih.gov/6302509/},
  note = {Source identifier: 6302509}
}