@misc{indiciaeb04f38cf1751,
  title = {Comment on verapamil evaluation.},
  author = {S S Martin and J R Guerrero},
  year = {1983},
  doi = {10.1177/106002808301700311},
  url = {https://pubmed.ncbi.nlm.nih.gov/6839948/},
  note = {Source identifier: 6839948}
}