1. Annual data report,2019
2. Cystic Fibrosis Canada. The Canadian cystic fibrosis registry 2013:1–34.
3. Annual data report;Cystic Fibrosis Canada,2018
4. French CF registry annual data report 2016,2018
5. The Australian cystic fibrosis data registry annual report, 2017;Ruseckaite R,2019