Congenital choanal atresia and its heredity.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D009302:Nasopharyngeal Diseases / Q000235:genetics*; D009305:Nasopharynx / Q000002:abnormalities*; D009666:Nose / Q000002:abnormalities*; D009668:Nose Diseases / Q000235:genetics*