Ekanayake, C.D.Padumadasa, S.Premaratna, R.Rajendrajith, S.Samaranayake, W.W.S.R.M.H.2016-01-192016-01-192014The Ceylon Medical Journal, 59(4):p.145-146https://dl.nsf.gov.lk/handle/1/21923Medical SciencesArticle