[2 cases of trisomy of the 18. chromosome].
D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D002902:Chromosomes, Human, 16-18; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007621:Karyotyping; D011247:Pregnancy; D014314:Trisomy
Su due casi di trisomia del cromosoma 18.