title: Nurse practitioners in primary care.
authors.forename: J A
authors.initials: JA
authors.lastname: Knudtsen
mesh_terms: D006801:Humans; D009721:Nurse Midwives / Q000331:legislation & jurisprudence; D009722:Nurse Practitioners / Q000331:legislation & jurisprudence; D011320:Primary Health Care; D014481:United States