When two worlds collide.
Crawford
M H
MH
Laboratory of Biological Anthropology, University of Kansas, Lawrence 66045.
D004641:Emigration and Immigration; D005060:Europe / Q000208:ethnology; D014644:Genetic Variation; D006801:Humans; D007198:Indians, North American / Q000235:genetics; D007199:Indians, South American / Q000235:genetics