@misc{indiciae1604c8537e32,
  title = {Variant angina pectoris.},
  author = {R MacAlpin},
  year = {1970},
  doi = {10.1056/nejm197006252822617},
  url = {https://pubmed.ncbi.nlm.nih.gov/5419304/},
  note = {Source identifier: 5419304}
}