Subspecialization.
Epstein
J S
JS
D004503:Education, Medical, Graduate; D006257:Head / Q000601:surgery; D006801:Humans; D007396:Internship and Residency; D008511:Medicine; D009333:Neck / Q000601:surgery; D010036:Otolaryngology / Q000193:education / Q000592:standards; D013038:Specialization