Heather L. Norton, Rick A. Kittles, Esteban Parra, Paul McKeigue, Xianyun Mao, Keith Cheng, Victor A. Canfield, Daniel G. Bradley, Brian McEvoy and Mark D. Shriver (December 11, 2006) Genetic Evidence for the Convergent Evolution of Light Skin in Europeans and East Asians Oxford Journals[1][永久失效連結]