title: Nurse practitioners: Enhancing healthcare for 50 years.
authors.forename: Tom
authors.initials: T
authors.lastname: Bartol
mesh_terms: D000846:Anniversaries and Special Events; D003695:Delivery of Health Care / Q000458:organization & administration* / Q000639:trends; D006801:Humans; D007884:Legislation, Nursing; D009722:Nurse Practitioners; D014481:United States