[2 cases of total unilateral choanal imperforation in adolescents].
D000293:Adolescent; D005260:Female; D006801:Humans; D008297:Male; D009296:Nasal Cavity / Q000002:abnormalities*; D009305:Nasopharynx / Q000002:abnormalities*
Consideraţii asupra a două cazuri de imperforatie coanală unilaterală la adolescenţi.