@misc{indiciaec0a0b48aae49,
  title = {Variant angina.},
  author = {A H Khan and A B Landry},
  year = {1972},
  doi = {10.7326/0003-4819-76-2-335},
  url = {https://pubmed.ncbi.nlm.nih.gov/5009607/},
  note = {Source identifier: 5009607}
}