title: Just what is a professional?
mesh_terms: D004501:Education, Medical / Q000266:history*; D004506:Education, Nursing / Q000266:history*; D005060:Europe; D049672:History, 19th Century; D049673:History, 20th Century; D049691:History, Medieval; D009729:Nursing; D011361:Professional Competence; D014481:United States