title: [Nursing theories in changing times: seeking the key to reality].
authors.forename: Ruth
authors.initials: R
authors.lastname: Schröck
mesh_terms: D004511:Education, Nursing, Graduate / Q000639:trends*; D005544:Forecasting; D005858:Germany; D006801:Humans; D009736:Nursing Process / Q000639:trends*; D009742:Nursing Theory; D012922:Social Change