Wijeyaratne, C.N.Jayasinghe, A.de Silva, D.G.H.Parkes, A.B.Lazarus, J.H.Premawardena, L.D.K.E.2014-10-292014-10-292005The Ceylon Medical Journal. 2005; 50(1): pp.20-230009-0875 (Print)http://repository.kln.ac.lk/handle/123456789/1690Indexed in MEDLINENo Abstract AvailablePoint of viewPaediatrics