@misc{indiciaece4a9709394d,
  title = {"Take a deep breath".},
  author = {M Marshall},
  year = {1973},
  doi = {10.1016/s0140-6736(73)91480-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/4120492/},
  note = {Source identifier: 4120492}
}