title: The 18ph+ chromosome heteromorphism.
authors.forename: L
authors.initials: L
authors.lastname: Zelante
authors.forename: A
authors.initials: A
authors.lastname: Notarangelo
authors.forename: B
authors.initials: B
authors.lastname: Dallapiccola
mesh_terms: D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D002887:Chromosomes, Human, Pair 18 / Q000235:genetics*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis