title: The importance of nursing science: six lessons from history.
authors.forename: Marilee
authors.initials: M
authors.lastname: Schmelzer
mesh_terms: D006676:History of Nursing; D049672:History, 19th Century; D049673:History, 20th Century; D009729:Nursing / Q000379:methods; D010687:Philosophy, Nursing / Q000266:history*