title: Trends in specialty certification.
authors.forename: J N
authors.initials: JN
authors.lastname: Haug
mesh_terms: D002568:Certification / Q000639:trends*; D013502:General Surgery / Q000639:trends; D008511:Medicine / Q000639:trends*; D011320:Primary Health Care / Q000639:trends; D013038:Specialization; D014481:United States