@misc{indiciaeba706cf4c23a,
  title = {Ischemic and hyperventilation tests in 28 twins.},
  author = {L Steidl and J Kaspárek},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2530822/},
  note = {Source identifier: 2530822}
}