title: The "Greenberg" hypothesis.
authors.forename: J H
authors.initials: JH
authors.lastname: Greenberg
mesh_terms: D004272:DNA, Mitochondrial / Q000235:genetics; D004641:Emigration and Immigration; D005828:Genetics, Population; D049690:History, Ancient; D006801:Humans; D007198:Indians, North American / Q000235:genetics / Q000266:history; D007199:Indians, South American / Q000235:genetics / Q000266:history; D007802:Language
chemical_list: D004272:DNA, Mitochondrial