00378nam a2200133Ia 450000500170000000800410001703500100005808200100006810000240007824500370010226000090013950500330014865000630018120260808125927.0260808s9999||||xx |||||||||||||| ||und||  a10841  a576.5  aKolluri, Rukmini V. 0aGenetic studies in down syndrome  c1979  aGenetic; Syndrome | Genetics  aApplied BiologybHuman genetics; Chromosomes; Blood groups