[Relation of chromosomal aberration and clinical signs in childhood].
D002648:Child; D002675:Child, Preschool; D002869:Chromosome Aberrations; D004314:Down Syndrome / Q000235:genetics*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007621:Karyotyping; D012730:Sex Chromosomes; D014424:Turner Syndrome / Q000235:genetics*