TY - GEN AU - Niikawa,N AU - Kajii,T TI - The origin of mosaic Down syndrome: four cases with chromosome markers SN - 0002-9297 PY - 1984///0305 KW - Adult KW - Cell Line KW - Child, Preschool KW - Chromosome Banding KW - Chromosomes, Human, 21-22 and Y KW - Down Syndrome KW - genetics KW - Female KW - Genetic Markers KW - Humans KW - Infant KW - Infant, Newborn KW - Male KW - Mosaicism KW - Polymorphism, Genetic N1 - Publication Type: Case Reports; Journal Article; Research Support, Non-U.S. Gov't ER -