1. A study of variations in the reported haemophilia B prevalence around the world
2. World Federation of Hemophilia. Nigeria includes bleeding disorders in national policy and strategic plan. Available from: https://wfh.org/nigeria-includes-bleeding-disorders-in-national-policy-and-strategic-plan/. Accessed February 2, 2023.
3. World Federation of Hemophilia. Economic benefits of basic hemophilia management and care; 2004. Available from: http://www.wfh.org. Accessed February 2, 2023.
4. World Federation of Hemophilia. Report on the Annual Global Survey 2019. Montreal: WFH; 2020.
5. World Federation of Hemophilia. Report on the Annual Global Survey 2020. Montreal: World Federation of Hemophilia; 2021.