Archived from the original on 25 December 2007. Retrieved 2007-12-19. ↑ Extracting artemesinin ↑ van Vugt M, Brockman A, Gemperli B, Luxemburger C, Gathmann I, Royce C, Slight T, Looareesuwan S, White NJ, Nosten F (January 1998). "Randomized comparison of artemether-benflumetol and artesunate-mefloquine in treatment of multidrug-resistant falciparum malaria".