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2 Joseph Henrich1, et al, Costly Punishment Across Human Societies, Science 23 June 2006: Vol. 312 no. 5781 pp. 1767-1770 DOI: 10.1126/science.1127333
3 Mark Duffield, Post-modern conflict: Warlords, post-adjustment states and private protection, Civil Wars, Volume 1, Issue 1, 1998
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5 This is the product license for our 300 mg capsules of 1:200 tongkat ali extract.
6 G. Creatsas, Improving adolescent sexual behavior: a tool for better fertility outcome and safe motherhood, International Journal of Gynecology & Obstetrics Volume 58, Issue 1, July 1997, Pages 85-92