Erasmus, J. Christoff, Anton Klingenberg, and Jaco M. Greeff. “Allele Frequencies of AVPR1A and MAOA in the Afrikaner Population”. South African Journal of Science 111, no. 7/8 (July 27, 2015): 6. Accessed May 7, 2024. https://sajs.co.za/article/view/3704.