Authors and Citation

Authors

• Ralf Herold. Author, maintainer.

• Marek Kubica. Copyright holder.
  node-xml2js library

• Ivan Bozhanov. Copyright holder.
  jstree library

Citation

Herold R (2026). ctrdata: Retrieve and Analyze Clinical Trials Data from Public Registers. R package version 1.26.1.9000, https://cran.r-project.org/package=ctrdata.

@Manual{,
  title = {ctrdata: Retrieve and Analyze Clinical Trials Data from Public Registers},
  author = {Ralf Herold},
  year = {2026},
  note = {R package version 1.26.1.9000},
  url = {https://cran.r-project.org/package=ctrdata},
}

Herold R (2026). “Aggregating and analysing clinical trials data from multiple public registers using R package ctrdata.” Research Synthesis Methods, 17(3), 624–656. ISSN 1759-2879, 1759-2887, doi:10.1017/rsm.2025.10061.

@Article{,
  title = {Aggregating and analysing clinical trials data from multiple public registers using R package ctrdata},
  doi = {10.1017/rsm.2025.10061},
  journal = {Research Synthesis Methods},
  author = {Ralf Herold},
  language = {en},
  journal = {Research Synthesis Methods},
  issn = {1759-2879, 1759-2887},
  year = {2026},
  volume = {17},
  number = {3},
  month = {may},
  pages = {624--656},
}