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Vulto A, Bergthorsdottir R, van Faassen M, Kema IP, Johannsson G, van Beek AP.Vulto A, et al. Among authors: johannsson g.Clin Endocrinol (Oxf). 2019 Sep;91(3):383-390. doi: 10.1111/cen.14006. Epub 2019 Jun 20.Clin Endocrinol (Oxf). 2019.PMID: 31059146Free PMC article.Clinical Trial.