Physician extenders and primary care...an international perspective.
D001315:Australia; D002170:Canada; D005060:Europe; D009722:Nurse Practitioners / Q000706:statistics & numerical data*; D010823:Physician Assistants / Q000706:statistics & numerical data*; D010820:Physicians / Q000600:supply & distribution; D011320:Primary Health Care; D014481:United States