To cite package ‘omophub’ in publications use:

Chen A (2026). omophub: R Client for the 'OMOPHub' Medical Vocabulary API. R package version 1.8.1, https://github.com/omophub/omophub-r.

Corresponding BibTeX entry:

  @Manual{,
    title = {omophub: R Client for the 'OMOPHub' Medical Vocabulary
      API},
    author = {Alex Chen},
    year = {2026},
    note = {R package version 1.8.1},
    url = {https://github.com/omophub/omophub-r},
  }