1. WHO. World Malaria Report 2015. World Health Organization, Geneva: 2015. http://www.who.int/malaria/publications/world-malaria-report-2015/report/en/ .
2. WHO. Status Report on Artemisinin and ACT Resistance. Geneva. http://www.who.int/malaria/publications/atoz/status-rep-artemisinin-act-resistance-sept2015.pdf .
3. Khozirah S, Noor Rain A, Siti Najila MJ, Imiyabir Z, Madani L, Rodaya C, et al. In vitro antiplasmodial properties of selected plants of Sabah. Pertanika J Sci Technol. 2011;19:11–7.
4. Basco LK, Le Bras J. In vitro susceptibility of Cambodian isolates of Plasmodium falciparum to halofantrine, pyronaridine and artemisinin derivatives. Ann Trop Med Parasitol. 1994;88:137–44.
5. WHO. Severe Falciparum malaria. Trans R Soc Med Hyg. 2002;94:36–7.