An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Cheng G, Tolhurst R, Li RZ, Meng QY, Tang S.Cheng G, et al.Trans R Soc Trop Med Hyg. 2005 May;99(5):355-62. doi: 10.1016/j.trstmh.2004.07.005.Trans R Soc Trop Med Hyg. 2005.PMID: 15780342
Yan F, Thomson R, Tang S, Squire SB, Wang W, Liu X, Gong Y, Zhao F, Tolhurst R.Yan F, et al.Health Policy. 2007 Jul;82(2):186-99. doi: 10.1016/j.healthpol.2006.08.001. Epub 2006 Oct 19.Health Policy. 2007.PMID: 17055105
Liu X, Thomson R, Gong Y, Zhao F, Squire SB, Tolhurst R, Zhao X, Yan F, Tang S.Liu X, et al.Trop Med Int Health. 2007 Dec;12(12):1464-71. doi: 10.1111/j.1365-3156.2007.01953.x.Trop Med Int Health. 2007.PMID: 18076553Free article.
Ansink AC, Tolhurst R, Haque R, Saha S, Datta S, van den Broek NR.Ansink AC, et al.Trans R Soc Trop Med Hyg. 2008 May;102(5):499-505. doi: 10.1016/j.trstmh.2008.01.022. Epub 2008 Apr 2.Trans R Soc Trop Med Hyg. 2008.PMID: 18387643Free article.