title: Ready to step in.
authors.affiliation: The Health Foundation.
authors.forename: Sarah
authors.initials: S
authors.lastname: Campbell
mesh_terms: D057179:Advanced Practice Nursing / Q000458:organization & administration*; D006801:Humans; D024802:Nurse's Role; D015403:Nursing Evaluation Research; D010819:Physician's Role; D017009:Professional Autonomy; D011787:Quality of Health Care; D006113:United Kingdom; D014481:United States