@misc{indiciae4246894af164,
  title = {Lengthening shadows.},
  author = {J J Byrne},
  year = {1981},
  doi = {10.1056/nejm198110293051804},
  url = {https://pubmed.ncbi.nlm.nih.gov/7024816/},
  note = {Source identifier: 7024816}
}