Nasal septum and facial development.
D002508:Cephalometry; D002986:Clinical Trials as Topic; D006801:Humans; D008445:Maxillofacial Development / Q000502:physiology*; D015508:Nasal Obstruction / Q000150:complications; D009300:Nasal Septum / Q000002:abnormalities / Q000254:growth & development*; D014427:Twins