@misc{indiciaedd210ca37552,
  title = {Coronary artery spasm.},
  author = {W Coppinger},
  year = {1979},
  doi = {10.1136/bmj.1.6172.1219-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/445033/},
  note = {Source identifier: 445033}
}