[CHROMOSOMAL CHANGES IN DOWN'S SYNDROME].
D002648:Child; D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D002875:Chromosomes; D004314:Down Syndrome; D006801:Humans; D007223:Infant; D014314:Trisomy
CHILD; CHROMOSOME ABNORMALITIES; INFANT; MONGOLISM; TRISOMY
KHROMOSOMNYE IZMENENIIA PRI SINDROME DAUNA.