title: National Registry of Certified Nurses in Advanced Practice 1987.
mesh_terms: D000575:American Nurses' Association; D002568:Certification; D003406:Credentialing; D004181:Directories as Topic; D006801:Humans; D009720:Nurse Clinicians; D009722:Nurse Practitioners; D013041:Specialties, Nursing; D014481:United States