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Damkjær M, Håkansson KEJ, Ulrik CS, Godtfredsen NS.Damkjær M, et al. Among authors: godtfredsen ns.Ugeskr Laeger. 2020 Jun 1;182(23):V10190592.Ugeskr Laeger. 2020.PMID: 32515342Free article.Review.Danish.