TY - GEN AU - Jezierska-Schier,A AU - Grzybowski,R AU - Krzeska,I AU - Baranowicz,B AU - Stawowska,B AU - Markocki,Z AU - Korniszewski,L TI - [Chromosome mosaicism in typical Down's syndrome] SN - 0031-3939 PY - 1977///0428 KW - Child, Preschool KW - Chromosomes, Human, 21-22 and Y KW - Down Syndrome KW - genetics KW - Female KW - Humans KW - Mosaicism KW - Phenotype N1 - Publication Type: Case Reports; Journal Article ER -