title: [A case of a girl with a ring chromosome 18 in the karyotype].
mesh_terms: D000015:Abnormalities, Multiple / Q000235:genetics*; D002675:Child, Preschool; D002869:Chromosome Aberrations; D002887:Chromosomes, Human, Pair 18; D003878:Dermatoglyphics; D005260:Female; D006801:Humans; D007621:Karyotyping; D012303:Ring Chromosomes
vernacular_title: Przypadek dziewczynki z chromosomem pierścieniowym 18 w kariotypie.