title: Nurse practitioners show nursing's promise.
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D005851:Geriatric Nursing; D006801:Humans; D008297:Male; D009722:Nurse Practitioners; D011320:Primary Health Care; D011364:Professional Practice; D012106:Research; D012423:Rural Health; D014481:United States