6Piazza A,Menozzi P,Cavalli-Sforza LL.et al.Synthetic gene frequency maps of man and selective effects of climate[J].Proc Natl Acad Sci USA,1981,78:2638-2642.
7Hanotte O,Daniel G.Bradley,Joel W.Ochieng et al.African Pastoralism:Genetic Imprints of Origins and Migrations[J].Science,2002,296(5566):336-339.
8Fan B,Wang ZG,Zhao XL.et al.Genetic variation analysis within and among Chinese indigenous swine populations using microsatellite markers[J].Animal Genetics,2002,33:422-427.
