@misc{indiciae792897f60e58,
  title = {Sunset and sunrise.},
  author = {Joseph S Alpert},
  year = {2005},
  doi = {10.1016/j.amjmed.2004.10.013},
  url = {https://pubmed.ncbi.nlm.nih.gov/15639200/},
  note = {Source identifier: 15639200}
}