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Мэтьюз, Люк Дж., Пол М. Батлер.
Matthews, Luke J., and Paul M. Butler. Novelty-Seeking DRD4 Polymorphisms Are Associated with Human Migration Distance Out-of-Africa After Controlling for Neutral Population Gene Structure. American Journal of Physical Anthropology 145, no. 3 (July 2011): 382—89.