Break points on 18 ring chromosome of a girl with congenital anomalies.
D000015:Abnormalities, Multiple / Q000235:genetics*; D002675:Child, Preschool; D002869:Chromosome Aberrations / Q000235:genetics*; D025063:Chromosome Disorders; D002902:Chromosomes, Human, 16-18 / Q000648:ultrastructure*; D005260:Female; D006801:Humans