title: [What is the value of professional nursing?].
authors.affiliation: Geriatrischen Zentrum des Bethanien-Krankenhauses, Heidelberg.
authors.forename: Elke
authors.initials: E
authors.lastname: Müller
mesh_terms: D006801:Humans; D009732:Nursing Care / Q000592:standards*; D009736:Nursing Process; D011786:Quality Control