title: Comparative theories of the expanded role in nursing and implications for nursing practice: a working paper. 1977.
authors.forename: F M
authors.initials: FM
authors.lastname: Allen
mesh_terms: D049673:History, 20th Century; D006801:Humans; D007587:Job Description; D016294:Models, Nursing; D009742:Nursing Theory; D017009:Professional Autonomy