title: Expanded RN roles--a policy perspective.
authors.forename: Marilyn
authors.initials: M
authors.lastname: Head
mesh_terms: D004651:Employment / Q000458:organization & administration; D006801:Humans; D008008:Licensure, Nursing; D009520:New Zealand; D009722:Nurse Practitioners / Q000193:education / Q000458:organization & administration*; D024802:Nurse's Role; D016134:Organizational Policy; D017009:Professional Autonomy; D012956:Societies, Nursing / Q000458:organization & administration*