title: Yet another variation on the theme of chromosome 18 heteromorphisms?
authors.forename: G C
authors.initials: GC
authors.lastname: Beverstock
authors.forename: F
authors.initials: F
authors.lastname: Klumper
authors.forename: A T
authors.initials: AT
authors.lastname: Helderman-vd Enden
mesh_terms: D015193:Chorionic Villi Sampling; D002887:Chromosomes, Human, Pair 18; D005260:Female; D006570:Heterochromatin / Q000235:genetics*; D006801:Humans
chemical_list: D006570:Heterochromatin