title: Nothing midlevel about them.
authors.forename: Tim
authors.initials: T
authors.lastname: Porter-O'Grady
mesh_terms: D003695:Delivery of Health Care; D005260:Female; D006301:Health Services Needs and Demand; D006801:Humans; D008297:Male; D009722:Nurse Practitioners / Q000458:organization & administration / Q000600:supply & distribution*; D011320:Primary Health Care / Q000458:organization & administration*; D024382:Professional Role; D014481:United States