title: Down on chromosome 21?
authors: J
authors: J
authors: Hardy
authors: N
authors: N
authors: Irving
authors: A
authors: A
authors: Kessling
mesh_terms: D000818:Animals; D002891:Chromosomes, Human, Pair 21; D004314:Down Syndrome / Q000235:genetics*; D006801:Humans; D051379:Mice; D014178:Translocation, Genetic