The American Board of Orthodontics hits a home run.
Turpin
David L
DL
D002568:Certification / Q000379:methods*; D002983:Clinical Competence; D004498:Education, Dental, Continuing; D006801:Humans; D009970:Orthodontics / Q000193:education / Q000592:standards*; D013044:Specialty Boards; D014481:United States