@article{UBHD-69280953,
  author={Christ, Michael and Seyffart, Karen and Wehling, Martin},
  title={Attenuation of heart-rate variability in postmenopausal women on progestin-containing hormone replacement therapy},
  year={1999},
  pages={1939-1940},
  language={eng},
  issn={1474-547X},
  volume={353},
  number={9168},
  note={Gesehen am 19.10.2022},
  journal={The lancet},
  doi={10.1016/S0140-6736(99)00639-X},
}
@article{UBHD-68973986,
  author={Christ, Michael and Seyffart, Karen and Tillmann, Hanns-Christian and Wehling, Martin},
  title={Heart rate variability and hormone replacement therapy},
  year={1999},
  pages={1303},
  language={eng},
  issn={1474-547X},
  volume={354},
  number={9186},
  note={Elektronische Reproduktion der Druck-Ausgabe 7. April 2005 ; Gesehen am 13.10.2022},
  journal={The lancet},
  doi={10.1016/S0140-6736(05)76079-7},
}
@article{UBHD-68972927,
  author={Christ, Michael and Seyffart, Karen and Tillmann, Hanns-Christian and Wehling, Martin},
  title={Hormone replacement in postmenopausal women},
  subtitle={impact of progestogens on autonomic tone and blood pressure regulation},
  year={2002},
  pages={127-136},
  language={eng},
  issn={1530-0374},
  volume={9},
  number={2},
  note={Gesehen am 12.10.2022},
  journal={Menopause},
}