@misc{indiciae5f3af4269ec1,
  title = {Sleep disorders in psychiatric practice.},
  author = {P A Fredrickson and J W Richardson and M S Esther and S C Lin},
  year = {1990},
  doi = {10.1016/s0025-6196(12)62577-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/2195247/},
  note = {Source identifier: 2195247}
}