Let's get some answers on nurse role expansion.
D002568:Certification; D004509:Education, Nursing, Continuing; D009722:Nurse Practitioners / Q000193:education; D009726:Nurses / Q000706:statistics & numerical data; D009785:Occupational Health Nursing / Q000193:education; D009787:Occupational Medicine; D011320:Primary Health Care; D014481:United States; D000078329:Workforce