Residency program length and structure.
D000068:Accreditation / Q000592:standards*; D002568:Certification / Q000592:standards*; D006801:Humans; D007396:Internship and Residency / Q000379:methods / Q000592:standards*; D010036:Otolaryngology / Q000193:education* / Q000592:standards; D014481:United States