title: [Invaluable, priceless].
authors.forename: Brigitte
authors.initials: B
authors.lastname: Longerich
mesh_terms: D003362:Cost-Benefit Analysis / Q000191:economics*; D006801:Humans; D009313:National Health Programs / Q000191:economics*; D009736:Nursing Process / Q000191:economics*; D012956:Societies, Nursing; D013557:Switzerland