title: [Ring chromosome 18. Clinical study and caryologic considerations].
mesh_terms: D002648:Child; D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D002902:Chromosomes, Human, 16-18; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000209:etiology; D007621:Karyotyping
vernacular_title: Il cromosoma 18 ad anello. Osservazione clinica e considerazioni cariologiche.