1. https://echa.europa.eu/hot-topics/perfluoroalkyl-chemicals-pfas (accessed 2023-07-28).
2. https://echa.europa.eu/regulations/reach/understanding-reach (accessed 2023-07-28).
3. https://echa.europa.eu/documents/10162/21388210/230405_upfas_webinar_qa_en.pdf/7a22138a-7250-85a8-cf57-2817ec91f5ff?t=1687894142138 (accessed 2023-07-28).
4. https://echa.europa.eu/documents/10162/2156610/230405_upfas_webinar_qa_ds_en.pdf/3f47fdcc-17c5-4b37-b758-720bb7e462f3?t=1687893645025 (accessed 2023-07-28).
5. FDA-Approved Fluorinated Heterocyclic Drugs from 2016 to 2022