Two cases with a ring chromosome in group E.
D000293:Adolescent; D002648:Child; D002869:Chromosome Aberrations / Q000150:complications / Q000175:diagnosis*; D025063:Chromosome Disorders; D002902:Chromosomes, Human, 16-18; D004827:Epilepsy / Q000209:etiology; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000209:etiology*; D009461:Neurologic Manifestations