@misc{indiciae90564ce1aef8,
  title = {Variant angina pectoris.},
  author = {M M Laks and J Dahlgren and W J Mandel},
  year = {1973},
  doi = {10.7326/0003-4819-78-2-309\_2},
  url = {https://pubmed.ncbi.nlm.nih.gov/4683777/},
  note = {Source identifier: 4683777}
}