title: The high cost of infrequent events.
authors.forename: Leon A
authors.initials: LA
authors.lastname: Assael
mesh_terms: D004499:Education, Dental, Graduate / Q000379:methods* / Q000592:standards; D006801:Humans; D007396:Internship and Residency / Q000379:methods* / Q000592:standards; D013515:Surgery, Oral / Q000193:education* / Q000592:standards