Journal of Trace Elements in Medicine and Biology (2015) - Comment
pubmed: 25563774  doi: 10.1016/j.jtemb.2014.12.002  issn: 0946-672x  issn: 1878-3252 

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Klaus Thanke Aspli, Trond Peder Flaten, Per M. Roos, Trygve Holmøy, Jon H. Skogholt, Jan Aaseth