To cite the kidney.epi package in publications use:

Boris B (2025). kidney.epi: Kidney-Related Functions for Clinical and Epidemiological Research. Scientific-Tools.Org. doi:10.32614/CRAN.package.kidney.epi. https://Scientific-Tools.Org.

Corresponding BibTeX entry:

  @Manual{,
    author = {Bikbov Boris},
    title = {kidney.epi: Kidney-Related Functions for Clinical and
      Epidemiological Research},
    year = {2025},
    organization = {Scientific-Tools.Org},
    url = {https://Scientific-Tools.Org},
    doi = {10.32614/CRAN.package.kidney.epi},
  }