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Seyer-Hansen M, Egekvist A, Forman A, Riiskjaer M.Seyer-Hansen M, et al. Among authors: forman a.Acta Obstet Gynecol Scand. 2018 Jan;97(1):47-52. doi: 10.1111/aogs.13253.Acta Obstet Gynecol Scand. 2018.PMID: 29080367Free article.