To cite package ‘vermeulen’ in publications use:

  Magno R (2024). _vermeulen: Biomarker Data Set by Vermeulen et al.
  (2009)_. R package version 0.1.2, ,
  <https://github.com/ramiromagno/vermeulen>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {vermeulen: Biomarker Data Set by Vermeulen et al. (2009)},
    author = {Ramiro Magno},
    year = {2024},
    note = {R package version 0.1.2, 
},
    url = {https://github.com/ramiromagno/vermeulen},
  }