Large declines in organofluorine contamination indicated by subarctic marine mammal tissues - Jennifer M. Sun; Euna Kim; Heidi M. Pickard; Bjarni Mikkelsen; Katrin S. Hoydal; Halla W. Reinert; Colin P. Thackray; Elsie M. Sunderland (Proceedings of the National Academy of Sciences, 2026)