title: From minimal competence to proficiency.
authors.forename: David
authors.initials: D
authors.lastname: Semerad
authors.forename: Troy
authors.initials: T
authors.lastname: Graybeal
mesh_terms: D004503:Education, Medical, Graduate / Q000379:methods*; D004635:Emergency Medicine / Q000193:education*; D005260:Female; D006801:Humans; D007396:Internship and Residency; D008297:Male; D011871:Radiology / Q000193:education*