@misc{indiciae69e394c407cf,
  title = {Hyperventilation and Raynaud's disease.},
  author = {H Williams and L J Freeman and P G Nixon},
  year = {1987},
  doi = {10.1136/pgmj.63.739.377},
  url = {https://pubmed.ncbi.nlm.nih.gov/3671272/},
  note = {Source identifier: 3671272}
}