title: Specialty Board certification as a measure of professional competence.
mesh_terms: D002568:Certification / Q000266:history; D004503:Education, Medical, Graduate; D049672:History, 19th Century; D049673:History, 20th Century; D008007:Licensure, Medical; D008511:Medicine; D011787:Quality of Health Care; D013038:Specialization; D014481:United States