Delegation in adult primary care: the generalizability of HMO data.
D000328:Adult; D006279:Health Maintenance Organizations / Q000706:statistics & numerical data*; D006801:Humans; D009722:Nurse Practitioners / Q000706:statistics & numerical data; D010548:Personal Health Services / Q000706:statistics & numerical data; D010823:Physician Assistants / Q000706:statistics & numerical data; D011320:Primary Health Care / Q000706:statistics & numerical data*; D014218:Triage; D014481:United States