title: Report of the Committee on the Genetic Constitution of Chromosomes 18, 19, 20, 21, and 22.
mesh_terms: D001634:Bibliographies as Topic; D002874:Chromosome Mapping; D002902:Chromosomes, Human, 16-18; D002903:Chromosomes, Human, 19-20; D002904:Chromosomes, Human, 21-22 and Y; D005796:Genes; D008040:Genetic Linkage; D006801:Humans