[Not Available].
D000015:Abnormalities, Multiple / Q000175:diagnosis / Q000601:surgery; D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D002754:Choanal Atresia / Q000175:diagnosis / Q000601:surgery*; D003937:Diagnosis, Differential; D004724:Endoscopy; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008437:Maxilla / Q000601:surgery*; D059747:Nasal Surgical Procedures / Q000295:instrumentation / Q000379:methods*; D013525:Surgical Instruments; D013577:Syndrome; D014057:Tomography, X-Ray Computed