Poster Effects of per- and polyfluoroalkyl substances (PFASs) on thyroid hormone status in Svalbard glaucous gulls. Hovden, Torunn Slettemark; Mortensen, Åse-Karen; Ciesielski, Tomasz Maciej; Sonne, Christian; Hanssen, Linda; Heimstad, Eldbjørg Sofie; Gabrielsen, Geir W.; Jenssen, Bjørn Munro Publication details Event: Norwegian Environmental Toxicology Symposium (Longyearbyen) Date: March 14th 2018 – March 16th 2018