title: Understanding variable expressivity in microdeletion syndromes.
authors.forename: Joris A
authors.initials: JA
authors.lastname: Veltman
authors.forename: Han G
authors.initials: HG
authors.lastname: Brunner
mesh_terms: D002648:Child; D002872:Chromosome Deletion; D025063:Chromosome Disorders / Q000235:genetics*; D002885:Chromosomes, Human, Pair 16 / Q000235:genetics; D002658:Developmental Disabilities / Q000235:genetics; D018628:Gene Dosage / Q000502:physiology; D018740:Genetic Heterogeneity; D006801:Humans; D008954:Models, Biological; D010641:Phenotype; D013577:Syndrome