title: [American nursing theories from 1955-1985. Developmental stages--schools/trends of thoughts].
mesh_terms: D049673:History, 20th Century; D006801:Humans; D009742:Nursing Theory; D014481:United States
vernacular_title: Amerikanische Pflegetheorien von 1955-1985 Entwicklungsstufen--Schulen/Ideenrichtungen.