Warnakulasuriya, T.Williams, S.Wickremasinghe, A.R.2014-12-242014-12-242014Annual Research Symposium,Faculty of Graduate Studies, University of Kelaniya, Sri Lanka; 2014 :150phttp://repository.kln.ac.lk/handle/123456789/4948Lanka Mineral Sands (LMS) factory in Pulmoddai produces thorium which emits alpha radiation on decay. Micronuclei (MN) are formed in peripheral blood lymphocytes as a result of exposure to ionizing radiation. MN are used as a marker of biological dosimetry.The prevalence of micronuclei in lymphocytes among persons resident in the vicinity of a heavy mineral sand processing factory in Pulmoddai, Sri Lanka.ArticlePhysiology