scientific article
author: Heikki Hyöty, Johnny Ludvigsson, Pia Leete, Oskar Skog, Sarah Richardson, Bjørn Edwin, Noel G Morgan, Dag Undlien, Olle Korsgren, Kristian F. Hanssen, Knut Dahl-Jørgensen, Lars Krogvold, Trond Buanes
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