@misc{indiciaeab115bb7796c,
  title = {[Sleeping difficulties among the elderly].},
  author = {Concepcion Aparicio Alonso and Ana Isabel Mejía Estebaranz},
  year = {2006},
  url = {https://pubmed.ncbi.nlm.nih.gov/16613084/},
  note = {Source identifier: 16613084}
}