RT Article T1 Mortality associated with Down's syndrome in the USA from 1983 to 1997: A population-based study A1 Yang, Quanhe A2 Friedman, J.M. A2 Rasmussen, Sonja A. LA English YR 2002 UL https://krimdok.uni-tuebingen.de/Record/1912626403 NO 0099-5355 DO 10.1016/S0140-6736(02)08092-3