Jensen, M S, Chriél, M, Al-Sabi, M N S & Enemark, H L 2013, ' Gastrointestinal parasites of the Common Eider ( Somateria mollissima ) – Seasonal, geographical and host related variations in the parasite burdens of two distinct Danish populations ' 24th International Conference of the World Association for the Advancement of Veterinary Parasitology, Perth, Australia, 25/08/2013-29/08/2013, .