To cite package ‘possum’ in publications use:

Longros C, Chourio Barboza D (2026). possum: Surgical Risk Prediction with the POSSUM Score Family. R package version 0.1.0, https://github.com/chrislongros/possum.

Corresponding BibTeX entry:

  @Manual{,
    title = {possum: Surgical Risk Prediction with the POSSUM Score
      Family},
    author = {Christos Longros and Daniel Enrique {Chourio Barboza}},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/chrislongros/possum},
  }