@misc{indiciae86dc25bc44c3,
  title = {Heart rate variability and hormone replacement therapy.},
  author = {M Christ and K Seyffart and H C Tillmann and M Wehling},
  year = {1999},
  doi = {10.1016/s0140-6736(05)76079-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/10520665/},
  note = {Source identifier: 10520665}
}