de Silva, A.P.Aryasingha, S.Dassanayake, A.S.Hewavisenthi, J.Rathnasena, B.G.N.de Silva, H.J.2014-10-292014-10-292008The Ceylon Medical Journal. 2008; 53(1): pp.22-230009-0875 (Print)http://repository.kln.ac.lk/handle/123456789/1830Indexed in MEDLINENo Abstract AvailableArticleMedicinePharmacologyPathology