@incollection{zuSaynWittgensteinHohenstein2011, author = {Friederike zu Sayn-Wittgenstein-Hohenstein}, title = {Geburtshilfe durch Hebammen}, series = {Handbuch Pflegewissenschaft}, publisher = {Juventa}, address = {Weinheim}, pages = {291 -- 309}, year = {2011}, language = {de} }