title: Molecular cytogenetic characterization of a de novo mosaic supernumerary ring chromosome 7: report of a new patient.
mesh_terms: D000015:Abnormalities, Multiple / Q000235:genetics; D002648:Child; D002897:Chromosomes, Human, Pair 7 / Q000235:genetics*; D019465:Craniofacial Abnormalities / Q000235:genetics; D005260:Female; D006801:Humans; D017404:In Situ Hybridization, Fluorescence; D007805:Language Development Disorders / Q000235:genetics; D009030:Mosaicism; D010641:Phenotype; D012303:Ring Chromosomes; D013577:Syndrome; D018980:Williams Syndrome / Q000235:genetics