title: First-time failure rates of candidates for American Board of Ophthalmology certification.
authors.forename: John G
authors.initials: JG
authors.lastname: Clarkson
mesh_terms: D002568:Certification / Q000706:statistics & numerical data*; D002983:Clinical Competence / Q000592:standards*; D004503:Education, Medical, Graduate / Q000592:standards*; D004521:Educational Measurement / Q000379:methods*; D006801:Humans; D007396:Internship and Residency / Q000592:standards*; D009885:Ophthalmology / Q000193:education / Q000706:statistics & numerical data*; D014481:United States