title: The legal implications of the extended roles of professional nurses.
mesh_terms: D007603:Jurisprudence; D007883:Legislation, Medical; D007884:Legislation, Nursing; D009722:Nurse Practitioners; D009729:Nursing; D010823:Physician Assistants; D011364:Professional Practice; D011786:Quality Control; D013041:Specialties, Nursing; D014481:United States