@misc{indiciaefcef1be37a60,
  title = {Hyperventilation-induced syncope: no need to panic.},
  author = {John E David and Steven H Yale and Humberto J Vidaillet},
  year = {2003},
  doi = {10.3121/cmr.1.2.137},
  url = {https://pubmed.ncbi.nlm.nih.gov/15931300/},
  note = {Source identifier: 15931300}
}