@misc{indiciaef8a792b37a9d,
  title = {Labeling heart pills.},
  author = {J D Proctor},
  year = {1978},
  doi = {10.1056/nejm197805112981920},
  url = {https://pubmed.ncbi.nlm.nih.gov/643023/},
  note = {Source identifier: 643023}
}