Emons G, Beckmann M W, Schmidt D, Mallmann P
Department of Obstetrics and Gynecology, University of Göttingen, Göttingen.
Department of Obstetrics and Gynecology, University of Erlangen, Erlangen.
Geburtshilfe Frauenheilkd. 2015 Feb;75(2):135-136. doi: 10.1055/s-0034-1396256.