@misc{indiciaedf1e3519c773,
  title = {Pseudoangina by hyperventilation.},
  author = {H Herxheimer},
  year = {1977},
  doi = {10.1016/s0140-6736(77)91397-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/65632/},
  note = {Source identifier: 65632}
}