@book { SturzprophylaxeimAlter, title = "Sturzprophylaxe im Alter", author = "Ellen {Freiberger} and Daniel {Schöne}", year = "2020", publisher = "Deutscher Ärzteverlag", address = "Köln, Deutschland", doi = "10.47420/9783769137408", url = "https://deutscheraerzteverlag.openpublishing.com/document/945755" }