title: Treatment of choanal atresia by endonasal microsurgery.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008866:Microsurgery / Q000295:instrumentation / Q000379:methods*; D009305:Nasopharynx / Q000002:abnormalities* / Q000601:surgery; D010159:Palate / Q000601:surgery; D012225:Rhinoplasty / Q000295:instrumentation / Q000379:methods