4World Health Organization. Dengue haemorrhagic fever: diagnosis, treatment, prevention and control, 2nd ed. Geneva: WHO, 1997.
5Gubler DJ. Dengue and dengue haemorrhagic. CIin Microbiol Rev, 1998,11:480-496.
6Wang WK, Chao DY, Kao CL, et al. High levels of plasma dengue viral load during defervescence in patients with dengue hemorrhagic fever: implications for pathogenesis. Virology,2003, 305:330-338.
7Sudiro TM, Zivny J, Ishiko H, et al. Analysis of plasma viral RNA levels during acute dengue virus infection using quantitative competitor reverse transcription-polymerase chain reaction. J Med Virol,2001,63 :29-34.
8Annelies Wilder- Smith, Eli Schwartz. Dengue in Travelers. N Engl J Med, 2005, 353:924-932
9Seneviratne SL, Malavige GN, de Silva HJ. Pathogenesis of liver involvement during dengue viral infections. Transactions of the Royal Society of Tropical Medicine and Hygiene, 2006, 100 (7) : 608-614
10Okamoto T. The protective effect of glycyrrhizin on anti - fas antibody-induced Hepatitis in mice. Eur J Pharmacol, 2000, 387 (2) : 229