title: The challenge of change.
mesh_terms: D002568:Certification / Q000592:standards; D003813:Dentistry / Q000639:trends; D004465:Economic Competition / Q000639:trends; D006281:Health Occupations / Q000639:trends*; D008004:Licensure; D011570:Psychiatry / Q000639:trends; D012922:Social Change; D014146:Training Support / Q000639:trends; D014481:United States