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Sillem M, Juhasz-Böss I, Klausmeier I, Mechsner S, Siedentopf F, Solomayer E.Sillem M, et al. Among authors: siedentopf f.Geburtshilfe Frauenheilkd. 2016 Sep;76(9):960-963. doi: 10.1055/s-0042-111010.Geburtshilfe Frauenheilkd. 2016.PMID: 27681520Free PMC article.