To cite the egfr package in publications use:

Hovd M (2026). egfr: Estimated Glomerular Filtration Rate (eGFR) Calculators. doi:10.5281/zenodo.21670286. R package version 2.0.0, https://github.com/mhovd/egfr.

Corresponding BibTeX entry:

  @Manual{,
    title = {{egfr}: Estimated Glomerular Filtration Rate (eGFR)
      Calculators},
    author = {Markus Hovd},
    year = {2026},
    note = {R package version 2.0.0},
    url = {https://github.com/mhovd/egfr},
    doi = {10.5281/zenodo.21670286},
  }