Quality outcomes in primary care: nurse practitioners equal/higher than physicians.
D005260:Female; D006801:Humans; D009721:Nurse Midwives / Q000592:standards*; D009722:Nurse Practitioners / Q000592:standards*; D010821:Physicians, Family / Q000592:standards*; D011247:Pregnancy; D011320:Primary Health Care / Q000592:standards*; D011785:Quality Assurance, Health Care