To cite package ‘PPCSexRx’ in publications use:

  Li G (2026). _PPCSexRx: Prescribe Sub-Symptom Exercise for Adolescent
  Concussion_. R package version 0.1.0,
  <https://github.com/guangl10/ppcsexrx>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {PPCSexRx: Prescribe Sub-Symptom Exercise for Adolescent Concussion},
    author = {Guang Li},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/guangl10/ppcsexrx},
  }