title: Report of the committee on the genetic constitution of chromosome 21.
authors.forename: D R
authors.initials: DR
authors.lastname: Cox
authors.forename: N
authors.initials: N
authors.lastname: Shimizu
mesh_terms: D002874:Chromosome Mapping; D002891:Chromosomes, Human, Pair 21; D005796:Genes; D005819:Genetic Markers; D006801:Humans
chemical_list: D005819:Genetic Markers