title: The r(20) syndrome.
abstract: A 21-year-old woman with a ring-20 chromosome is described. The clinical findings, behaviour problems, epilepsy, and low grade mental retardation are the same as in the 3 cases described earlier. It seems to be justified to speak of a specific ring-20 syndrome.
mesh_terms: D000328:Adult; D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D002903:Chromosomes, Human, 19-20; D004827:Epilepsy; D005260:Female; D006801:Humans; D008607:Intellectual Disability; D013577:Syndrome