Molecular cytogenetic characterization of an interstitial deletion of chromosome 21 (21q22.13q22.3) in a patient with dysmorphic features, intellectual disability and severe generalized epilepsy. - Valetto A; Orsini A; Bertini V; Toschi B; Bonuccelli A; Simi F; Sammartino I; Taddeucci G; Simi P; Saggese G (European journal of medical genetics, 2012)