title: 21st Annual Survey of State Boards of Nursing and Selected National Professional Certifying Boards/Associations.
mesh_terms: D002568:Certification / Q000458:organization & administration*; D004509:Education, Nursing, Continuing / Q000458:organization & administration*; D006801:Humans; D008008:Licensure, Nursing; D011361:Professional Competence; D012956:Societies, Nursing / Q000458:organization & administration*; D013041:Specialties, Nursing / Q000193:education*; D013044:Specialty Boards; D014481:United States