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.
Premaratna R, Williams HS, Chandrasena TG, Rajapakse RP, Kularatna SA, de Silva HJ.Premaratna R, et al.Trans R Soc Trop Med Hyg. 2009 Sep;103(9):961-3. doi: 10.1016/j.trstmh.2009.04.003. Epub 2009 May 15.Trans R Soc Trop Med Hyg. 2009.PMID: 19446860
Deen KI, Premaratna R, Fonseka MM, De Silva HJ.Deen KI, et al. Among authors: premaratna r.J Gastroenterol Hepatol. 1998 Nov;13(11):1107-10. doi: 10.1111/j.1440-1746.1998.tb00584.x.J Gastroenterol Hepatol. 1998.PMID: 9870796
Premaratna R, Gunatilake AK, de Silva NR, Tilakaratne Y, Fonseka MM, de Silva HJ.Premaratna R, et al.Southeast Asian J Trop Med Public Health. 2001 Mar;32(1):70-2.Southeast Asian J Trop Med Public Health. 2001.PMID: 11485098
Chandrasena TG, Premaratna R, Abeyewickrema W, de Silva NR.Chandrasena TG, et al. Among authors: premaratna r.Trans R Soc Trop Med Hyg. 2002 Jan-Feb;96(1):60-3. doi: 10.1016/s0035-9203(02)90241-5.Trans R Soc Trop Med Hyg. 2002.PMID: 11925995Clinical Trial.
Premaratna R, Pathmeswaran A, Chandrasekara B, Dissanayake AS, de Silva HJ.Premaratna R, et al.Arch Environ Health. 2002 Nov-Dec;57(6):579-83. doi: 10.1080/00039890209602091.Arch Environ Health. 2002.PMID: 12696656