@misc{indiciaed1f1fa48c646,
  title = {Beta-blockers and sleep: a controlled trial.},
  author = {T A Betts and C Alford},
  year = {1985},
  doi = {10.1007/bf00543712},
  url = {https://pubmed.ncbi.nlm.nih.gov/2865152/},
  note = {Source identifier: 2865152}
}