title: Congenital nasal pyriform aperture stenosis in the monozygotic twin of a child with holoprosencephaly.
authors.affiliation: Duke University Medical School, Durham, North Carolina, USA.
authors.forename: B J
authors.initials: BJ
authors.lastname: Krol
authors.forename: G F
authors.initials: GF
authors.lastname: Hulka
authors.forename: A
authors.initials: A
authors.lastname: Drake
mesh_terms: D003251:Constriction, Pathologic / Q000151:congenital / Q000235:genetics; D004200:Diseases in Twins; D017809:Fatal Outcome; D005260:Female; D005500:Follow-Up Studies; D016142:Holoprosencephaly / Q000235:genetics*; D006801:Humans; D007231:Infant, Newborn; D009296:Nasal Cavity / Q000002:abnormalities*; D015508:Nasal Obstruction / Q000151:congenital* / Q000235:genetics; D014430:Twins, Monozygotic