@misc{indiciaec5bd69b59707,
  title = {When does estrogen replacement therapy improve sleep quality?},
  author = {P Polo-Kantola and R Erkkola and H Helenius and K Irjala and O Polo},
  year = {1998},
  doi = {10.1016/s0002-9378(98)70539-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/9609575/},
  note = {Source identifier: 9609575}
}