de Silva, D.G.H.Fernando, A.J.L.Gunatilleke, M.D.S.2014-10-292014-10-291994The Ceylon Medical Journal. 1994; 39(1): pp.50-520009-0875 (Print)http://repository.kln.ac.lk/handle/123456789/1218Indexed in MEDLINENo Abstract AvailableCystic FibrosisArticlePaediatrics