[Cytogenetic studies in Down's syndrome with references to familial cases].
D002869:Chromosome Aberrations; D003582:Cytogenetics; D004314:Down Syndrome / Q000235:genetics*; D005260:Female; D006801:Humans; D007621:Karyotyping; D008423:Maternal Age; D009030:Mosaicism; D014314:Trisomy
Badania cytogenetyczne w zespole Downa z uwzglednieniem przypadków rodzinnych.