@article{Crimmins2021AssociationsOA,
  title={Associations of Age, Sex, Race/Ethnicity, and Education With 13 Epigenetic Clocks in a Nationally Representative U.S. Sample: The Health and Retirement Study},
  author={Eileen M. Crimmins and Bharat Thyagarajan and Morgan E. Levine and David R. Weir and Jessica D. Faul},
  journal={The Journals of Gerontology Series A: Biological Sciences and Medical Sciences},
  year={2021},
  volume={76},
  pages={1117 - 1123},
  url={https://api.semanticscholar.org/CorpusID:231628023}
}