LY Weerasekera, HWW Goonasekara, Nanayakkara HLV, Weerathunga RP, Gunasekara NCA, Jayasekara RW, Dissanayake VHW. A descriptive study of the prevalence of factor V (F5) 1691 G>A, prothrombin (F2) 20210G>A and methylenetetrahydrofolate reductase (MTHFR) 677C>T polymorphisms among patients with thromboembolism in the Sri Lankan population. 9^th Annual Academic Sessions of the Sri Lanka College of Haematologists, August 29-30, 2008. (Abstracted in the Proceedings of the 9^th Annual Academic Sessions of the Sri Lanka College of Haematologists. 29)