@misc{indiciaeb69f32ad7abd,
  title = {When does central cyanosis become detectable?},
  author = {H B Barnett and J G Holland and W T Josenhans},
  year = {1982},
  url = {https://pubmed.ncbi.nlm.nih.gov/7116713/},
  note = {Source identifier: 7116713}
}