Cytological studies on a human ring chromosome.
D002648:Child; D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D004392:Dwarfism / Q000235:genetics; D005260:Female; D006801:Humans; D066298:In Vitro Techniques; D008607:Intellectual Disability / Q000235:genetics; D007621:Karyotyping; D008831:Microcephaly / Q000235:genetics